1
|
Wang H, Li X, Meng B, Fan Y, Khan SU, Qian M, Zhang M, Yang H, Lu K. Exploring silique number in Brassica napus L.: Genetic and molecular advances for improving yield. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:1897-1912. [PMID: 38386569 PMCID: PMC11182599 DOI: 10.1111/pbi.14309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/24/2024]
Abstract
Silique number is a crucial yield-related trait for the genetic enhancement of rapeseed (Brassica napus L.). The intricate molecular process governing the regulation of silique number involves various factors. Despite advancements in understanding the mechanisms regulating silique number in Arabidopsis (Arabidopsis thaliana) and rice (Oryza sativa), the molecular processes involved in controlling silique number in rapeseed remain largely unexplored. In this review, we identify candidate genes and review the roles of genes and environmental factors in regulating rapeseed silique number. We use genetic regulatory networks for silique number in Arabidopsis and grain number in rice to uncover possible regulatory pathways and molecular mechanisms involved in regulating genes associated with rapeseed silique number. A better understanding of the genetic network regulating silique number in rapeseed will provide a theoretical basis for the genetic improvement of this trait and genetic resources for the molecular breeding of high-yielding rapeseed.
Collapse
Affiliation(s)
- Hui Wang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Xiaodong Li
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Boyu Meng
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Yonghai Fan
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Shahid Ullah Khan
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Mingchao Qian
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Minghao Zhang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Haikun Yang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
| | - Kun Lu
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City and Southwest University, College of Agronomy and BiotechnologySouthwest UniversityBeibeiChongqingP.R. China
- Engineering Research Center of South Upland Agriculture, Ministry of EducationChongqingP.R. China
- Academy of Agricultural SciencesSouthwest UniversityBeibeiChongqingP.R. China
| |
Collapse
|
2
|
Saito R, Morikawa M, Muto T, Saito S, Kaji T, Ueda M. SlCYP94B18 and SlCYP94B19 monooxygenases for the catabolic turnover of jasmonates in tomato leaves. PHYTOCHEMISTRY 2024; 223:114141. [PMID: 38750708 DOI: 10.1016/j.phytochem.2024.114141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 05/12/2024] [Accepted: 05/12/2024] [Indexed: 05/19/2024]
Abstract
(3R,7S)-Jasmonoyl-L-isoleucine (JA-Ile) is a plant hormone that regulates plant defense responses and other physiological functions. The mechanism of attenuation of JA-Ile signaling in the plant body is essential because prolonged JA-Ile signaling can be detrimental to plant survival. In Arabidopsis thaliana, the cytochrome P450 monooxygenases, CYP94B1/B3/C1, inactivate JA-Ile by converting it into 12-hydroxy-jasmonoyl-L-isoleucine (12-OH-JA-Ile), and CYP94C1 converts 12-OH-JA-Ile into 12-carboxy-jasmonoyl-L-isoleucine (12-COOH-JA-Ile). In the present study, we aimed to identify the cytochrome P450 monooxygenases involved in the catabolic pathway of JA-Ile in tomato leaves. Based on a gene expression screening of SlCYP94 subfamily monooxygenases using qPCR and the time-course of JA-Ile catabolism, we identified SlCYP94B18 and SlCYP94B19 expressed in tomato leaves as candidate monooxygenases catalyzing the two-step catabolism of JA-Ile. An in vitro enzymatic assay using a yeast expression system revealed that these enzymes efficiently converted JA-Ile to 12-OH-JA-Ile, and then to 12-COOH-JA-Ile. SlCYP94B18 and SlCYP94B19 also catalyzed the oxidative catabolism of several JA-amino acid conjugates (JA-AAs), JA-Leu and JA-Val, in tomatoes. These results suggest that SlCYP94B18 and SlCYP94B19 plays a role in the two-step oxidation of JA-AAs, suggesting their broad involvement in regulating jasmonate signaling in tomatoes. Our results contribute to a deeper understanding of jasmonate signaling in tomatoes and may help to improve tomato cultivation and quality.
Collapse
Affiliation(s)
- Rina Saito
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Mai Morikawa
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Toshiya Muto
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Sayaka Saito
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Takuya Kaji
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Minoru Ueda
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan; Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan.
| |
Collapse
|
3
|
Daignan-Fornier S, Keita A, Boyer FD. Chemistry of Strigolactones, Key Players in Plant Communication. Chembiochem 2024; 25:e202400133. [PMID: 38607659 DOI: 10.1002/cbic.202400133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/12/2024] [Accepted: 04/12/2024] [Indexed: 04/13/2024]
Abstract
Today, the use of artificial pesticides is questionable and the adaptation to global warming is a necessity. The promotion of favorable natural interactions in the rhizosphere offers interesting perspectives for changing the type of agriculture. Strigolactones (SLs), the latest class of phytohormones to be discovered, are also chemical mediators in the rhizosphere. We present in this review the diversity of natural SLs, their analogs, mimics, and probes essential for the biological studies of this class of compounds. Their biosynthesis and access by organic synthesis are highlighted especially concerning noncanonical SLs, the more recently discovered natural SLs. Organic synthesis of analogs, stable isotope-labeled standards, mimics, and probes are also reviewed here. In the last part, the knowledge about the SL perception is described as well as the different inhibitors of SL receptors that have been developed.
Collapse
Affiliation(s)
- Suzanne Daignan-Fornier
- Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, CNRS, 91198, Gif-sur-Yvette, France
| | - Antoinette Keita
- Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, CNRS, 91198, Gif-sur-Yvette, France
| | - François-Didier Boyer
- Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, CNRS, 91198, Gif-sur-Yvette, France
| |
Collapse
|
4
|
Lailheugue V, Darriaut R, Tran J, Morel M, Marguerit E, Lauvergeat V. Both the scion and rootstock of grafted grapevines influence the rhizosphere and root endophyte microbiomes, but rootstocks have a greater impact. ENVIRONMENTAL MICROBIOME 2024; 19:24. [PMID: 38654392 DOI: 10.1186/s40793-024-00566-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/28/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND Soil microorganisms play an extensive role in the biogeochemical cycles providing the nutrients necessary for plant growth. Root-associated bacteria and fungi, originated from soil, are also known to influence host health. In response to environmental stresses, the plant roots exude specific molecules influencing the composition and functioning of the rhizospheric and root microbiomes. This response is host genotype-dependent and is affected by the soil microbiological and chemical properties. It is essential to unravel the influence of grapevine rootstock and scion genotypes on the composition of this microbiome, and to investigate this relationship with plant growth and adaptation to its environment. Here, the composition and the predicted functions of the microbiome of the root system were studied using metabarcoding on ten grapevine scion-rootstock combinations, in addition to plant growth and nutrition measurements. RESULTS The rootstock genotype significantly influenced the diversity and the structure of the bacterial and fungal microbiome, as well as its predicted functioning in rhizosphere and root compartments when grafted with the same scion cultivar. Based on β-diversity analyses, 1103P rootstock showed distinct bacterial and fungal communities compared to the five others (RGM, SO4, 41B, 3309 C and Nemadex). The influence of the scion genotype was more variable depending on the community and the investigated compartment. Its contribution was primarily observed on the β-diversity measured for bacteria and fungi in both root system compartments, as well as for the arbuscular mycorrhizal fungi (AMF) in the rhizosphere. Significant correlations were established between microbial variables and the plant phenotype, as well as with the plant mineral status measured in the petioles and the roots. CONCLUSION These results shed light on the capacity of grapevine rootstock and scion genotypes to recruit different functional communities of microorganisms, which affect host growth and adaptation to the environment. Selecting rootstocks capable of associating with positive symbiotic microorganisms is an adaptation tool that can facilitate the move towards sustainable viticulture and help cope with environmental constraints.
Collapse
Affiliation(s)
- Vincent Lailheugue
- EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, Villenave d'Ornon, F-33882, France
| | - Romain Darriaut
- EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, Villenave d'Ornon, F-33882, France
- Univ Rennes, CNRS, ECOBIO (Ecosystèmes, biodiversité, évolution) - UMR 6553, Rennes, F-35000, France
| | - Joseph Tran
- EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, Villenave d'Ornon, F-33882, France
| | - Marine Morel
- EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, Villenave d'Ornon, F-33882, France
| | - Elisa Marguerit
- EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, Villenave d'Ornon, F-33882, France
| | - Virginie Lauvergeat
- EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, Villenave d'Ornon, F-33882, France.
| |
Collapse
|
5
|
Homma M, Uchida K, Wakabayashi T, Mizutani M, Takikawa H, Sugimoto Y. 2-oxoglutarate-dependent dioxygenases and BAHD acyltransferases drive the structural diversification of orobanchol in Fabaceae plants. FRONTIERS IN PLANT SCIENCE 2024; 15:1392212. [PMID: 38699535 PMCID: PMC11063326 DOI: 10.3389/fpls.2024.1392212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 04/03/2024] [Indexed: 05/05/2024]
Abstract
Strigolactones (SLs), a class of plant apocarotenoids, serve dual roles as rhizosphere-signaling molecules and plant hormones. Orobanchol, a major naturally occurring SL, along with its various derivatives, has been detected in the root exudates of plants of the Fabaceae family. Medicaol, fabacyl acetate, and orobanchyl acetate were identified in the root exudates of barrel medic (Medicago truncatula), pea (Pisum sativum), and cowpea (Vigna unguiculata), respectively. Although the biosynthetic pathway leading to orobanchol production has been elucidated, the biosynthetic pathways of the orobanchol derivatives have not yet been fully elucidated. Here, we report the identification of 2-oxoglutarate-dependent dioxygenases (DOXs) and BAHD acyltransferases responsible for converting orobanchol to these derivatives in Fabaceae plants. First, the metabolic pathways downstream of orobanchol were analyzed using substrate feeding experiments. Prohexadione, an inhibitor of DOX inhibits the conversion of orobanchol to medicaol in barrel medic. The DOX inhibitor also reduced the formation of fabacyl acetate and fabacol, a precursor of fabacyl acetate, in pea. Subsequently, we utilized a dataset based on comparative transcriptome analysis to select a candidate gene encoding DOX for medicaol synthase in barrel medic. Recombinant proteins of the gene converted orobanchol to medicaol. The candidate genes encoding DOX and BAHD acyltransferase for fabacol synthase and fabacol acetyltransferase, respectively, were selected by co-expression analysis in pea. The recombinant proteins of the candidate genes converted orobanchol to fabacol and acetylated fabacol. Furthermore, fabacol acetyltransferase and its homolog in cowpea acetylated orobanchol. The kinetics and substrate specificity analyses revealed high affinity and strict recognition of the substrates of the identified enzymes. These findings shed light on the molecular mechanisms underlying the structural diversity of SLs.
Collapse
Affiliation(s)
- Masato Homma
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| | - Kiyono Uchida
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Takatoshi Wakabayashi
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Masaharu Mizutani
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| | - Hirosato Takikawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yukihiro Sugimoto
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| |
Collapse
|
6
|
Boukteb A, Sato K, Gan P, Kharrat M, Sakouhi H, Shibata A, Shirasu K, Ichihashi Y, Bouhadida M. Global changes in gene expression during compatible and incompatible interactions of faba bean (Vicia faba L.) during Orobanche foetida parasitism. PLoS One 2024; 19:e0301981. [PMID: 38626155 PMCID: PMC11020376 DOI: 10.1371/journal.pone.0301981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 03/26/2024] [Indexed: 04/18/2024] Open
Abstract
Orobanche foetida Poiret is the main constraint facing faba bean crop in Tunisia. Indeed, in heavily infested fields with this parasitic plant, yield losses may reach 90%, and the recent estimation of the infested area is around 80,000 ha. Identifying genes involved in the Vicia faba/O. foetida interaction is crucial for the development of effective faba bean breeding programs. However, there is currently no available information on the transcriptome of faba bean responding to O. foetida parasitism. In this study, we employed RNA sequencing to explore the global gene expression changes associated with compatible and incompatible V. faba/O. foetida interactions. In this perspective, two faba bean varieties (susceptible and resistant) were examined at the root level across three stages of O. foetida development (Before Germination (BG), After Germination (AG) and Tubercule Stage (TS)). Our analyses presented an exploration of the transcriptomic profile, including comprehensive assessments of differential gene expression and Gene Ontology (GO) enrichment analyses. Specifically, we investigated key pathways revealing the complexity of molecular responses to O. foetida attack. In this study, we detected differential gene expression of pathways associated with secondary metabolites: flavonoids, auxin, thiamine, and jasmonic acid. To enhance our understanding of the global changes in V. faba response to O. foetida, we specifically examined WRKY genes known to play a role in plant host-parasitic plant interactions. Furthermore, considering the pivotal role of parasitic plant seed germination in this interaction, we investigated genes involved in the orobanchol biosynthesis pathway. Interestingly, we detected the gene expression of VuCYP722C homolog, coding for a key enzyme involved in orobanchol biosynthesis, exclusively in the susceptible host. Clearly, this study enriches our understanding of the V. faba/O. foetida interaction, shedding light on the main differences between susceptible and resistant faba bean varieties during O. foetida infestation at the gene expression level.
Collapse
Affiliation(s)
- Amal Boukteb
- Faculty of Science of Tunis, University of Tunis El Manar, Tunis, Tunisia
- Field Crop Laboratory, National Institute of Agricultural Research of Tunisia, Carthage University, Tunis, Tunisia
| | - Kazuki Sato
- RIKEN Center for Sustainable Resource Science, Yokohama, Japan
| | - Pamela Gan
- RIKEN Center for Sustainable Resource Science, Yokohama, Japan
| | - Mohamed Kharrat
- Field Crop Laboratory, National Institute of Agricultural Research of Tunisia, Carthage University, Tunis, Tunisia
| | - Hanen Sakouhi
- Field Crop Laboratory, National Institute of Agricultural Research of Tunisia, Carthage University, Tunis, Tunisia
| | - Arisa Shibata
- RIKEN Center for Sustainable Resource Science, Yokohama, Japan
| | - Ken Shirasu
- RIKEN Center for Sustainable Resource Science, Yokohama, Japan
| | | | - Mariem Bouhadida
- Field Crop Laboratory, National Institute of Agricultural Research of Tunisia, Carthage University, Tunis, Tunisia
| |
Collapse
|
7
|
Wang JY, Chen GTE, Braguy J, Al-Babili S. Distinguishing the functions of canonical strigolactones as rhizospheric signals. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00055-4. [PMID: 38521698 DOI: 10.1016/j.tplants.2024.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/12/2024] [Accepted: 02/29/2024] [Indexed: 03/25/2024]
Abstract
Strigolactones (SLs) act as regulators of plant architecture as well as signals in rhizospheric communications. Reduced availability of minerals, particularly phosphorus, leads to an increase in the formation and release of SLs that enable adaptation of root and shoot architecture to nutrient limitation and, simultaneously, attract arbuscular mycorrhizal fungi (AMF) for establishing beneficial symbiosis. Based on their chemical structure, SLs are designated as either canonical or non-canonical; however, the question of whether the two classes are also distinguished in their biological functions remained largely elusive until recently. In this review we summarize the latest advances in SL biosynthesis and highlight new findings pointing to rhizospheric signaling as the major function of canonical SLs.
Collapse
Affiliation(s)
- Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Guan-Ting Erica Chen
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia; The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Justine Braguy
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia; The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia; The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia.
| |
Collapse
|
8
|
Nomura T, Seto Y, Kyozuka J. Unveiling the complexity of strigolactones: exploring structural diversity, biosynthesis pathways, and signaling mechanisms. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1134-1147. [PMID: 37877933 DOI: 10.1093/jxb/erad412] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/20/2023] [Indexed: 10/26/2023]
Abstract
Strigolactone is the collective name for compounds containing a butenolide as a part of their structure, first discovered as compounds that induce seed germination of root parasitic plants. They were later found to be rhizosphere signaling molecules that induce hyphal branching of arbuscular mycorrhizal fungi, and, finally, they emerged as a class of plant hormones. Strigolactones are found in root exudates, where they display a great variability in their chemical structure. Their structure varies among plant species, and multiple strigolactones can exist in one species. Over 30 strigolactones have been identified, yet the chemical structure of the strigolactone that functions as an endogenous hormone and is found in the above-ground parts of plants remains unknown. We discuss our current knowledge of the synthetic pathways of diverse strigolactones and their regulation, as well as recent progress in identifying strigolactones as plant hormones. Strigolactone is perceived by the DWARF14 (D14), receptor, an α/β hydrolase which originated by gene duplication of KARRIKIN INSENSITIVE 2 (KAI2). D14 and KAI2 signaling pathways are partially overlapping paralogous pathways. Progress in understanding the signaling mechanisms mediated by two α/β hydrolase receptors as well as remaining challenges in the field of strigolactone research are reviewed.
Collapse
Affiliation(s)
- Takahito Nomura
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Japan
| | - Yoshiya Seto
- School of Agriculture, Meiji University, Kawasaki, Japan
| | - Junko Kyozuka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| |
Collapse
|
9
|
Clark J, Bennett T. Cracking the enigma: understanding strigolactone signalling in the rhizosphere. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1159-1173. [PMID: 37623748 PMCID: PMC10860530 DOI: 10.1093/jxb/erad335] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
The rhizosphere is a complex physical and chemical interface between plants and their underground environment, both biotic and abiotic. Plants exude a large number of chemicals into the rhizosphere in order to manipulate these biotic and abiotic components. Among such chemicals are strigolactones, ancient signalling molecules that in flowering plants act as both internal hormones and external rhizosphere signals. Plants exude strigolactones to communicate with their preferred symbiotic partners and neighbouring plants, but at least some classes of parasitic organisms are able to 'crack' these private messages and eavesdrop on the signals. In this review, we examine the intentional consequences of strigolactone exudation, and also the unintentional consequences caused by eavesdroppers. We examine the molecular mechanisms by which strigolactones act within the rhizosphere, and attempt to understand the enigma of the strigolactone molecular diversity synthesized and exuded into the rhizosphere by plants. We conclude by looking at the prospects of using improved understanding of strigolactones in agricultural contexts.
Collapse
Affiliation(s)
- Jed Clark
- School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Tom Bennett
- School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| |
Collapse
|
10
|
Özbilen A, Sezer F, Taşkin KM. Identification and expression of strigolactone biosynthesis and signaling genes and the in vitro effects of strigolactones in olive ( Olea europaea L.). PLANT DIRECT 2024; 8:e568. [PMID: 38405354 PMCID: PMC10894696 DOI: 10.1002/pld3.568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 02/27/2024]
Abstract
Strigolactones (SLs), synthesized in plant roots, play a dual role in modulating plant growth and development, and in inducing the germination of parasitic plant seeds and arbuscular mycorrhizal fungi in the rhizosphere. As phytohormones, SLs are crucial in regulating branching and shaping plant architecture. Despite the significant impact of branching strategies on the yield performance of fruit crops, limited research has been conducted on SLs in these crops. In our study, we identified the transcript sequences of SL biosynthesis and signaling genes in olive (Olea europaea L.) using rapid amplification of cDNA ends. We predicted the corresponding protein sequences, analyzed their characteristics, and conducted molecular docking with bioinformatics tools. Furthermore, we quantified the expression levels of these genes in various tissues using quantitative real-time PCR. Our findings demonstrate the predominant expression of SL biosynthesis and signaling genes (OeD27, OeMAX3, OeMAX4, OeMAX1, OeD14, and OeMAX2) in roots and lateral buds, highlighting their importance in branching. Treatment with rac-GR24, an SL analog, enhanced the germination frequency of olive seeds in vitro compared with untreated embryos. Conversely, inhibition of SL biosynthesis with TIS108 increased lateral bud formation in a hard-to-root cultivar, underscoring the role of SLs as phytohormones in olives. These results suggest that modifying SL biosynthesis and signaling pathways could offer novel approaches for olive breeding, with potential applicability to other fruit crops.
Collapse
Affiliation(s)
- Aslıhan Özbilen
- Department of BiologyCanakkale Onsekiz Mart UniversityCanakkaleTurkey
| | - Fatih Sezer
- Department of Molecular Biology and GeneticsCanakkale Onsekiz Mart UniversityCanakkaleTurkey
| | - Kemal Melih Taşkin
- Department of Molecular Biology and GeneticsCanakkale Onsekiz Mart UniversityCanakkaleTurkey
| |
Collapse
|
11
|
Slimani A, Ait-El-Mokhtar M, Ben-Laouane R, Boutasknit A, Anli M, Abouraicha EF, Oufdou K, Meddich A, Baslam M. Molecular and Systems Biology Approaches for Harnessing the Symbiotic Interaction in Mycorrhizal Symbiosis for Grain and Oil Crop Cultivation. Int J Mol Sci 2024; 25:912. [PMID: 38255984 PMCID: PMC10815302 DOI: 10.3390/ijms25020912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Mycorrhizal symbiosis, the mutually beneficial association between plants and fungi, has gained significant attention in recent years due to its widespread significance in agricultural productivity. Specifically, arbuscular mycorrhizal fungi (AMF) provide a range of benefits to grain and oil crops, including improved nutrient uptake, growth, and resistance to (a)biotic stressors. Harnessing this symbiotic interaction using molecular and systems biology approaches presents promising opportunities for sustainable and economically-viable agricultural practices. Research in this area aims to identify and manipulate specific genes and pathways involved in the symbiotic interaction, leading to improved cereal and oilseed crop yields and nutrient acquisition. This review provides an overview of the research frontier on utilizing molecular and systems biology approaches for harnessing the symbiotic interaction in mycorrhizal symbiosis for grain and oil crop cultivation. Moreover, we address the mechanistic insights and molecular determinants underpinning this exchange. We conclude with an overview of current efforts to harness mycorrhizal diversity to improve cereal and oilseed health through systems biology.
Collapse
Affiliation(s)
- Aiman Slimani
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment, Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
| | - Mohamed Ait-El-Mokhtar
- Laboratory Biochemistry, Environment & Agri-Food URAC 36, Department of Biology, Faculty of Science and Techniques—Mohammedia, Hassan II University of Casablanca, Mohammedia 28800, Morocco
| | - Raja Ben-Laouane
- Laboratory of Environment and Health, Department of Biology, Faculty of Science and Techniques, Errachidia 52000, Morocco
| | - Abderrahim Boutasknit
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Department of Biology, Multidisciplinary Faculty of Nador, Mohamed First University, Nador 62700, Morocco
| | - Mohamed Anli
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Department of Life, Earth and Environmental Sciences, University of Comoros, Patsy University Center, Moroni 269, Comoros
| | - El Faiza Abouraicha
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Higher Institute of Nursing and Health Techniques (ISPITS), Essaouira 44000, Morocco
| | - Khalid Oufdou
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment, Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
| | - Abdelilah Meddich
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
| | - Marouane Baslam
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- GrowSmart, Seoul 03129, Republic of Korea
| |
Collapse
|
12
|
Li K, Cheng Y, Fang C. OsDWARF10, transcriptionally repressed by OsSPL3, regulates the nutritional metabolism of polished rice. FRONTIERS IN PLANT SCIENCE 2023; 14:1322463. [PMID: 38130489 PMCID: PMC10733476 DOI: 10.3389/fpls.2023.1322463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023]
Abstract
Strigolactone (SL) plays essential roles in plant development and the metabolism of rice leaves. However, the impact of SL on the accumulation of nutritional metabolites in polished rice, as well as the transcription factors directly involved in SL synthesis, remains elusive. In this study, we performed a metabolome analysis on polished rice samples from mutants of an SL biosynthetic gene, OsDWARF10 (OsD10). Compared with those in the wild type plants, primary and secondary metabolites exhibited a series of alterations in the d10 mutants. Notably, the d10 mutants showed a substantial increase in the amino acids and vitamins content. Through a yeast one-hybridization screening assay, we identified OsSPL3 as a transcription factor that binds to the OsD10 promoter, thereby inhibiting OsD10 transcription in vivo and in vitro. Furthermore, we conducted a metabolic profiling analysis in polished rice from plants that overexpressed OsSPL3 and observed enhanced levels of amino acids and vitamins. This study identified a novel transcriptional repressor of the SL biosynthetic gene and elucidated the regulatory roles of OsSPL3 and OsD10 on the accumulation of nutritional metabolites in polished rice.
Collapse
Affiliation(s)
- Kang Li
- Hainan Yazhou Bay Seed Laboratory, Scool of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| | - Yan Cheng
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| | - Chuanying Fang
- Hainan Yazhou Bay Seed Laboratory, Scool of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| |
Collapse
|
13
|
Li X, Lu J, Zhu X, Dong Y, Liu Y, Chu S, Xiong E, Zheng X, Jiao Y. AtMYBS1 negatively regulates heat tolerance by directly repressing the expression of MAX1 required for strigolactone biosynthesis in Arabidopsis. PLANT COMMUNICATIONS 2023; 4:100675. [PMID: 37608548 PMCID: PMC10721535 DOI: 10.1016/j.xplc.2023.100675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/20/2023] [Accepted: 08/18/2023] [Indexed: 08/24/2023]
Abstract
Heat stress caused by global warming requires the development of thermotolerant crops to sustain yield. It is necessary to understand the molecular mechanisms that underlie heat tolerance in plants. Strigolactones (SLs) are a class of carotenoid-derived phytohormones that regulate plant development and responses to abiotic or biotic stresses. Although SL biosynthesis and signaling processes are well established, genes that directly regulate SL biosynthesis have rarely been reported. Here, we report that the MYB-like transcription factor AtMYBS1/AtMYBL, whose gene expression is repressed by heat stress, functions as a negative regulator of heat tolerance by directly inhibiting SL biosynthesis in Arabidopsis. Overexpression of AtMYBS1 led to heat hypersensitivity, whereas atmybs1 mutants displayed increased heat tolerance. Expression of MAX1, a critical enzyme in SL biosynthesis, was induced by heat stress and downregulated in AtMYBS1-overexpression (OE) plants but upregulated in atmybs1 mutants. Overexpression of MAX1 in the AtMYBS1-OE background reversed the heat hypersensitivity of AtMYBS1-OE plants. Loss of MAX1 function in the atmyb1 background reversed the heat-tolerant phenotypes of atmyb1 mutants. Yeast one-hybrid assays, chromatin immunoprecipitation‒qPCR, and transgenic analyses demonstrated that AtMYBS1 directly represses MAX1 expression through the MYB binding site in the MAX1 promoter in vivo. The atmybs1d14 double mutant, like d14 mutants, exhibited hypersensitivity to heat stress, indicating the necessary role of SL signaling in AtMYBS1-regulated heat tolerance. Our findings provide new insights into the regulatory network of SL biosynthesis, facilitating the breeding of heat-tolerant crops to improve crop production in a warming world.
Collapse
Affiliation(s)
- Xiang Li
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China; Key Laboratory of Biology and Genetic Improvement of Oil Crops, the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Wuhan 430062, China; Xinxiang Academy of Agricultural Sciences, Xinxiang 453000, China
| | - Jianhua Lu
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Xuling Zhu
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Yanqi Dong
- Xinxiang Academy of Agricultural Sciences, Xinxiang 453000, China
| | - Yanli Liu
- Xinxiang Academy of Agricultural Sciences, Xinxiang 453000, China
| | - Shanshan Chu
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China
| | - Erhui Xiong
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China.
| | - Xu Zheng
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China.
| | - Yongqing Jiao
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou 450002, China; Key Laboratory of Biology and Genetic Improvement of Oil Crops, the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
| |
Collapse
|
14
|
Chen GTE, Wang JY, Votta C, Braguy J, Jamil M, Kirschner GK, Fiorilli V, Berqdar L, Balakrishna A, Blilou I, Lanfranco L, Al-Babili S. Disruption of the rice 4-DEOXYOROBANCHOL HYDROXYLASE unravels specific functions of canonical strigolactones. Proc Natl Acad Sci U S A 2023; 120:e2306263120. [PMID: 37819983 PMCID: PMC10589652 DOI: 10.1073/pnas.2306263120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 09/11/2023] [Indexed: 10/13/2023] Open
Abstract
Strigolactones (SLs) regulate many developmental processes, including shoot-branching/tillering, and mediate rhizospheric interactions. SLs originate from carlactone (CL) and are structurally diverse, divided into a canonical and a noncanonical subfamily. Rice contains two canonical SLs, 4-deoxyorobanchol (4DO) and orobanchol (Oro), which are common in different plant species. The cytochrome P450 OsMAX1-900 forms 4DO from CL through repeated oxygenation and ring closure, while the homologous enzyme OsMAX1-1400 hydroxylates 4DO into Oro. To better understand the biological function of 4DO and Oro, we generated CRISPR/Cas9 mutants disrupted in OsMAX1-1400 or in both OsMAX1-900 and OsMAX1-1400. The loss of OsMAX1-1400 activity led to a complete lack of Oro and an accumulation of its precursor 4DO. Moreover, Os1400 mutants showed shorter plant height, panicle and panicle base length, but no tillering phenotype. Hormone quantification and transcriptome analysis of Os1400 mutants revealed elevated auxin levels and changes in the expression of auxin-related, as well as of SL biosynthetic genes. Interestingly, the Os900/1400 double mutant lacking both Oro and 4DO did not show the observed Os1400 architectural phenotypes, indicating their being a result of 4DO accumulation. Treatment of wild-type plants with 4DO confirmed this assumption. A comparison of the Striga seed germinating activity and the mycorrhization of Os900, Os900/1400, and Os1400 loss-of-function mutants demonstrated that the germination activity positively correlates with 4DO content while disrupting OsMAX1-1400 has a negative impact on mycorrhizal symbiosis. Taken together, our paper deciphers the biological function of canonical SLs in rice and reveals their particular contributions to establishing architecture and rhizospheric communications.
Collapse
Affiliation(s)
- Guan-Ting Erica Chen
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| | - Cristina Votta
- Department of Life Sciences and Systems Biology, University of Torino, Torino10125, Italy
| | - Justine Braguy
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| | - Gwendolyn K. Kirschner
- Biological and Environmental Science and Engineering (BESE) Division, Plant Cell and Developmental Biology, King Abdullah University of Science and Technology, Thuwal23955-6900, Saudi Arabia
| | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Torino10125, Italy
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| | - Aparna Balakrishna
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| | - Ikram Blilou
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
- Biological and Environmental Science and Engineering (BESE) Division, Plant Cell and Developmental Biology, King Abdullah University of Science and Technology, Thuwal23955-6900, Saudi Arabia
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Torino10125, Italy
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal23955-6900, Kingdom of Saudi Arabia
| |
Collapse
|
15
|
Yoda A, Xie X, Yoneyama K, Miura K, McErlean CSP, Nomura T. A Stereoselective Strigolactone Biosynthesis Catalyzed by a 2-Oxoglutarate-Dependent Dioxygenase in Sorghum. PLANT & CELL PHYSIOLOGY 2023; 64:1034-1045. [PMID: 37307421 PMCID: PMC10504574 DOI: 10.1093/pcp/pcad060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/06/2023] [Accepted: 06/10/2023] [Indexed: 06/14/2023]
Abstract
Seeds of root parasitic plants, Striga, Orobanche and Phelipanche spp., are induced to germinate by strigolactones (SLs) exudated from host roots. In Striga-resistant cultivars of Sorghum bicolor, the loss-of-function of the Low Germination Stimulant 1 (LGS1) gene changes the major SL from 5-deoxystrigol (5DS) to orobanchol, which has an opposite C-ring stereochemistry. The biosynthetic pathway of 5DS catalyzed by LGS1 has not been fully elucidated. Since other unknown regulators, in addition to LGS1 encoding a sulfotransferase, appear to be necessary for the stereoselective biosynthesis of 5DS, we examined Sobic.005G213500 (Sb3500), encoding a 2-oxoglutarate-dependent dioxygenase, as a candidate regulator, which is co-expressed with LGS1 and located 5'-upstream of LGS1 in the sorghum genome. When LGS1 was expressed with known SL biosynthetic enzyme genes including the cytochrome P450 SbMAX1a in Nicotiana benthamiana leaves, 5DS and its diastereomer 4-deoxyorobanchol (4DO) were produced in approximately equal amounts, while the production of 5DS was significantly larger than that of 4DO when Sb3500 was also co-expressed. We also confirmed the stereoselective 5DS production in an in vitro feeding experiment using synthetic chemicals with recombinant proteins expressed in Escherichia coli and yeast. This finding demonstrates that Sb3500 is a stereoselective regulator in the conversion of the SL precursor carlactone to 5DS, catalyzed by LGS1 and SbMAX1a, providing a detailed understanding of how different SLs are produced to combat parasitic weed infestations.
Collapse
Affiliation(s)
- Akiyoshi Yoda
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Tochigi, 321-8505 Japan
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509 Japan
| | - Xiaonan Xie
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Tochigi, 321-8505 Japan
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509 Japan
| | - Kaori Yoneyama
- Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, 790-8566 Japan
- Research and Development Bureau, Saitama University, Saitama-shi, Saitama, 338-8570 Japan
| | - Kenji Miura
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8572 Japan
| | | | - Takahito Nomura
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Tochigi, 321-8505 Japan
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509 Japan
| |
Collapse
|
16
|
Mashiguchi K, Morita R, Tanaka K, Kodama K, Kameoka H, Kyozuka J, Seto Y, Yamaguchi S. Activation of Strigolactone Biosynthesis by the DWARF14-LIKE/KARRIKIN-INSENSITIVE2 Pathway in Mycorrhizal Angiosperms, but Not in Arabidopsis, a Non-mycorrhizal Plant. PLANT & CELL PHYSIOLOGY 2023; 64:1066-1078. [PMID: 37494415 PMCID: PMC10504576 DOI: 10.1093/pcp/pcad079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 07/14/2023] [Accepted: 07/24/2023] [Indexed: 07/28/2023]
Abstract
Strigolactones (SLs) are a class of plant hormones that regulate many aspects of plant growth and development. SLs also improve symbiosis with arbuscular mycorrhizal fungi (AMF) in the rhizosphere. Recent studies have shown that the DWARF14-LIKE (D14L)/KARRIKIN-INSENSITIVE2 (KAI2) family, paralogs of the SL receptor D14, are required for AMF colonization in several flowering plants, including rice. In this study, we found that (-)-GR5, a 2'S-configured enantiomer of a synthetic SL analog (+)-GR5, significantly activated SL biosynthesis in rice roots via D14L. This result is consistent with a recent report, showing that the D14L pathway positively regulates SL biosynthesis in rice. In fact, the SL levels tended to be lower in the roots of the d14l mutant under both inorganic nutrient-deficient and -sufficient conditions. We also show that the increase in SL levels by (-)-GR5 was observed in other mycorrhizal plant species. In contrast, the KAI2 pathway did not upregulate the SL level and the expression of SL biosynthetic genes in Arabidopsis, a non-mycorrhizal plant. We also examined whether the KAI2 pathway enhances SL biosynthesis in the liverwort Marchantia paleacea, where SL functions as a rhizosphere signaling molecule for AMF. However, the SL level and SL biosynthetic genes were not positively regulated by the KAI2 pathway. These results imply that the activation of SL biosynthesis by the D14L/KAI2 pathway has been evolutionarily acquired after the divergence of bryophytes to efficiently promote symbiosis with AMF, although we cannot exclude the possibility that liverworts have specifically lost this regulatory system.
Collapse
Affiliation(s)
- Kiyoshi Mashiguchi
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011 Japan
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| | - Ryo Morita
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| | - Kai Tanaka
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| | - Kyoichi Kodama
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| | - Hiromu Kameoka
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| | - Junko Kyozuka
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| | - Yoshiya Seto
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
- School of Agriculture, Meiji University, 1-1-1 Higashi-mita, Tama-ku, Kawasaki, Kanagawa, 214-8571 Japan
| | - Shinjiro Yamaguchi
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011 Japan
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577 Japan
| |
Collapse
|
17
|
Kee YJ, Ogawa S, Ichihashi Y, Shirasu K, Yoshida S. Strigolactones in Rhizosphere Communication: Multiple Molecules With Diverse Functions. PLANT & CELL PHYSIOLOGY 2023; 64:955-966. [PMID: 37279572 DOI: 10.1093/pcp/pcad055] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/13/2023] [Accepted: 05/31/2023] [Indexed: 06/08/2023]
Abstract
Strigolactones (SLs) are root-secreted small molecules that influence organisms living in the rhizosphere. While SLs are known as germination stimulants for root parasitic plants and as hyphal branching factors for arbuscular mycorrhizal fungi, recent studies have also identified them as chemoattractants for parasitic plants, sensors of neighboring plants and key players in shaping the microbiome community. Furthermore, the discovery of structurally diverged SLs, including so-called canonical and non-canonical SLs in various plant species, raises the question of whether the same SLs are responsible for their diverse functions 'in planta' and the rhizosphere or whether different molecules play different roles. Emerging evidence supports the latter, with each SL exhibiting different activities as rhizosphere signals and plant hormones. The evolution of D14/KAI2 receptors has enabled the perception of various SLs or SL-like compounds to control downstream signaling, highlighting the complex interplay between plants and their rhizosphere environment. This review summarizes the recent advances in our understanding of the diverse functions of SLs in the rhizosphere.
Collapse
Affiliation(s)
- Yee Jia Kee
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192 Japan
| | - Satoshi Ogawa
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, 230-0045 Japan
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA 92507, USA
| | | | - Ken Shirasu
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, 230-0045 Japan
- Graduate School of Science, University of Tokyo, Hongo, Tokyo, 113-0033 Japan
| | - Satoko Yoshida
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192 Japan
| |
Collapse
|
18
|
Dun EA, Brewer PB, Gillam EMJ, Beveridge CA. Strigolactones and Shoot Branching: What Is the Real Hormone and How Does It Work? PLANT & CELL PHYSIOLOGY 2023; 64:967-983. [PMID: 37526426 PMCID: PMC10504579 DOI: 10.1093/pcp/pcad088] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/26/2023] [Accepted: 08/01/2023] [Indexed: 08/02/2023]
Abstract
There have been substantial advances in our understanding of many aspects of strigolactone regulation of branching since the discovery of strigolactones as phytohormones. These include further insights into the network of phytohormones and other signals that regulate branching, as well as deep insights into strigolactone biosynthesis, metabolism, transport, perception and downstream signaling. In this review, we provide an update on recent advances in our understanding of how the strigolactone pathway co-ordinately and dynamically regulates bud outgrowth and pose some important outstanding questions that are yet to be resolved.
Collapse
Affiliation(s)
- Elizabeth A Dun
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, The University of Queensland, St Lucia, QLD 4072, Australia
- School of Agriculture and Food Sustainability, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Philip B Brewer
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, The University of Queensland, St Lucia, QLD 4072, Australia
- Waite Research Institute, School of Agriculture Food & Wine, The University of Adelaide, Adelaide, SA 5064, Australia
| | - Elizabeth M J Gillam
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Christine A Beveridge
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, The University of Queensland, St Lucia, QLD 4072, Australia
- School of Agriculture and Food Sustainability, The University of Queensland, St Lucia, QLD 4072, Australia
| |
Collapse
|
19
|
Jamil M, Lin PY, Berqdar L, Wang JY, Takahashi I, Ota T, Alhammad N, Chen GTE, Asami T, Al-Babili S. New Series of Zaxinone Mimics (MiZax) for Fundamental and Applied Research. Biomolecules 2023; 13:1206. [PMID: 37627271 PMCID: PMC10452442 DOI: 10.3390/biom13081206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
The apocarotenoid zaxinone is a recently discovered regulatory metabolite required for proper rice growth and development. In addition, zaxinone and its two mimics (MiZax3 and MiZax5) were shown to have a remarkable growth-promoting activity on crops and a capability to reduce infestation by the root parasitic plant Striga through decreasing strigolactone (SL) production, suggesting their potential for application in agriculture and horticulture. In the present study, we developed a new series of MiZax via structural modification of the two potent zaxinone mimics (MiZax3 and MiZax5) and evaluated their effect on plant growth and Striga infestation. In general, the structural modifications to MiZax3 and MiZax5 did not additionally improve their overall performance but caused an increase in certain activities. In conclusion, MiZax5 and especially MiZax3 remain the likely most efficient zaxinone mimics for controlling Striga infestation.
Collapse
Affiliation(s)
- Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Pei-Yu Lin
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Ikuo Takahashi
- Applied Biological Chemistry, The University of Tokyo, Tokyo 113-8657, Japan; (I.T.); (T.O.); (T.A.)
| | - Tsuyoshi Ota
- Applied Biological Chemistry, The University of Tokyo, Tokyo 113-8657, Japan; (I.T.); (T.O.); (T.A.)
| | - Noor Alhammad
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Guan-Ting Erica Chen
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Tadao Asami
- Applied Biological Chemistry, The University of Tokyo, Tokyo 113-8657, Japan; (I.T.); (T.O.); (T.A.)
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| |
Collapse
|
20
|
Wang JY, Chen GTE, Braguy J, Jamil M, Berqdar L, Al-Babili S. Disruption of the cytochrome CYP711A5 gene reveals MAX1 redundancy in rice strigolactone biosynthesis. JOURNAL OF PLANT PHYSIOLOGY 2023; 287:154057. [PMID: 37531662 DOI: 10.1016/j.jplph.2023.154057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 08/04/2023]
Abstract
Strigolactones (SLs) inhibit shoot branching/tillering and are secreted by plant roots as a signal to attract symbiotic mycorrhizal fungi in the rhizosphere, particularly under phosphate starvation. However, SLs are also hijacked by root parasitic weeds as inducer for the germination of their seeds. There are around 35 natural SLs divided, based on their structures, into canonical and non-canonical SLs. Cytochrome P450 enzymes of the 711 clade, such as MORE AXILLARY GROWTH1 (MAX1) in Arabidopsis, are a major driver of SL structural diversity. Monocots, such as rice, contain several MAX1 homologs that participate in SL biosynthesis. To investigate the function of OsMAX1-1900 in planta, we generated CRISPR/Cas9 mutants disrupted in the corresponding gene. Characterizing of the generated mutants at metabolite and phenotype level suggests that OsMAX1-1900 loss-of-function does neither affect the SL pattern nor rice architecture, indicating functional redundancy among rice MAX1 homologs.
Collapse
Affiliation(s)
- Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Saudi Arabia
| | - Guan-Ting Erica Chen
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Saudi Arabia; The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Saudi Arabia
| | - Justine Braguy
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Saudi Arabia
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Saudi Arabia; The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Saudi Arabia.
| |
Collapse
|
21
|
Tariq A, Ullah I, Sardans J, Graciano C, Mussarat S, Ullah A, Zeng F, Wang W, Al-Bakre DA, Ahmed Z, Ali S, Zhang Z, Yaseen A, Peñuelas J. Strigolactones can be a potential tool to fight environmental stresses in arid lands. ENVIRONMENTAL RESEARCH 2023; 229:115966. [PMID: 37100368 DOI: 10.1016/j.envres.2023.115966] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/01/2023] [Accepted: 04/19/2023] [Indexed: 05/21/2023]
Abstract
BACKGROUND Environmental stresses pose a significant threat to plant growth and ecosystem productivity, particularly in arid lands that are more susceptible to climate change. Strigolactones (SLs), carotenoid-derived plant hormones, have emerged as a potential tool for mitigating environmental stresses. METHODS This review aimed to gather information on SLs' role in enhancing plant tolerance to ecological stresses and their possible use in improving the resistance mechanisms of arid land plant species to intense aridity in the face of climate change. RESULTS Roots exude SLs under different environmental stresses, including macronutrient deficiency, especially phosphorus (P), which facilitates a symbiotic association with arbuscular mycorrhiza fungi (AMF). SLs, in association with AMF, improve root system architecture, nutrient acquisition, water uptake, stomatal conductance, antioxidant mechanisms, morphological traits, and overall stress tolerance in plants. Transcriptomic analysis revealed that SL-mediated acclimatization to abiotic stresses involves multiple hormonal pathways, including abscisic acid (ABA), cytokinins (CK), gibberellic acid (GA), and auxin. However, most of the experiments have been conducted on crops, and little attention has been paid to the dominant vegetation in arid lands that plays a crucial role in reducing soil erosion, desertification, and land degradation. All the environmental gradients (nutrient starvation, drought, salinity, and temperature) that trigger SL biosynthesis/exudation prevail in arid regions. The above-mentioned functions of SLs can potentially be used to improve vegetation restoration and sustainable agriculture. CONCLUSIONS Present review concluded that knowledge on SL-mediated tolerance in plants is developed, but still in-depth research is needed on downstream signaling components in plants, SL molecular mechanisms and physiological interactions, efficient methods of synthetic SLs production, and their effective application in field conditions. This review also invites researchers to explore the possible application of SLs in improving the survival rate of indigenous vegetation in arid lands, which can potentially help combat land degradation problems.
Collapse
Affiliation(s)
- Akash Tariq
- Xinjiang Key Desert Plant Roots Ecology and Vegetation Restoration Laboratory, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, China; State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China; Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, 848300, China.
| | - Ihteram Ullah
- Department of Plant Breeding & Genetics, Gomal University, Dera Ismail Khan, Pakistan
| | - Jordi Sardans
- CSIC, Global Ecology Unit, CREAF-CSIC-UAB, Bellaterra, 08193, Barcelona, Catalonia, Spain; CREAF, Cerdanyola Del Vallès, 08193, Catalonia, Spain
| | - Corina Graciano
- Instituto de Fisiología Vegetal, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata, Buenos Aires, Argentina
| | - Sakina Mussarat
- Department of Botanical and Environmental Sciences, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
| | - Abd Ullah
- Xinjiang Key Desert Plant Roots Ecology and Vegetation Restoration Laboratory, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, China; State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China; Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, 848300, China
| | - Fanjiang Zeng
- Xinjiang Key Desert Plant Roots Ecology and Vegetation Restoration Laboratory, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, China; State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China; Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, 848300, China.
| | - Weiqi Wang
- Key Laboratory of Humid Subtropical Eco-Geographical Process, Ministry of Education, Fujian Normal University, Fuzhou, 350007, China; Institute of Geography, Fujian Normal University, Fuzhou, 350007, China
| | - Dhafer A Al-Bakre
- Department of Biology, College of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Zeeshan Ahmed
- Xinjiang Key Desert Plant Roots Ecology and Vegetation Restoration Laboratory, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, China; State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China; Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, 848300, China
| | - Sikandar Ali
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
| | - Zhihao Zhang
- Xinjiang Key Desert Plant Roots Ecology and Vegetation Restoration Laboratory, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, China; State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China; Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, 848300, China
| | - Aftab Yaseen
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China
| | - Josep Peñuelas
- CSIC, Global Ecology Unit, CREAF-CSIC-UAB, Bellaterra, 08193, Barcelona, Catalonia, Spain; CREAF, Cerdanyola Del Vallès, 08193, Catalonia, Spain
| |
Collapse
|
22
|
Cui J, Nishide N, Mashiguchi K, Kuroha K, Miya M, Sugimoto K, Itoh JI, Yamaguchi S, Izawa T. Fertilization controls tiller numbers via transcriptional regulation of a MAX1-like gene in rice cultivation. Nat Commun 2023; 14:3191. [PMID: 37291104 PMCID: PMC10250342 DOI: 10.1038/s41467-023-38670-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 05/05/2023] [Indexed: 06/10/2023] Open
Abstract
Fertilization controls various aspects of cereal growth such as tiller number, leaf size, and panicle size. However, despite such benefits, global chemical fertilizer use must be reduced to achieve sustainable agriculture. Here, based on field transcriptome data from leaf samples collected during rice cultivation, we identify fertilizer responsive genes and focus on Os1900, a gene orthologous to Arabidopsis thaliana MAX1, which is involved in strigolactone biosynthesis. Elaborate genetic and biochemical analyses using CRISPR/Cas9 mutants reveal that Os1900 together with another MAX1-like gene, Os5100, play a critical role in controlling the conversion of carlactone into carlactonoic acid during strigolactone biosynthesis and tillering in rice. Detailed analyses of a series of Os1900 promoter deletion mutations suggest that fertilization controls tiller number in rice through transcriptional regulation of Os1900, and that a few promoter mutations alone can increase tiller numbers and grain yields even under minor-fertilizer conditions, whereas a single defective os1900 mutation does not increase tillers under normal fertilizer condition. Such Os1900 promoter mutations have potential uses in breeding programs for sustainable rice production.
Collapse
Affiliation(s)
- Jinying Cui
- Lab. of Plant Breeding & Genetics, Department of Agricultural and Environmental Biology, The University of Tokyo, Tokyo, Japan
| | - Noriko Nishide
- Lab. of Plant Breeding & Genetics, Department of Agricultural and Environmental Biology, The University of Tokyo, Tokyo, Japan
| | - Kiyoshi Mashiguchi
- Chemistry of Molecular Biocatalysts Lab, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, Japan
| | - Kana Kuroha
- Breeding Material Development Unit, Basic Research Division, National Institute of Crop Science, Tsukuba, Ibaraki, Japan
| | - Masayuki Miya
- Lab. of Plant Breeding & Genetics, Department of Agricultural and Environmental Biology, The University of Tokyo, Tokyo, Japan
| | - Kazuhiko Sugimoto
- Breeding Material Development Unit, Basic Research Division, National Institute of Crop Science, Tsukuba, Ibaraki, Japan
- Division of Crop Design Research, Institute of Crop Science, Tsukuba, Ibaraki, Japan
| | - Jun-Ichi Itoh
- Lab. of Plant Breeding & Genetics, Department of Agricultural and Environmental Biology, The University of Tokyo, Tokyo, Japan
| | - Shinjiro Yamaguchi
- Chemistry of Molecular Biocatalysts Lab, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, Japan
| | - Takeshi Izawa
- Lab. of Plant Breeding & Genetics, Department of Agricultural and Environmental Biology, The University of Tokyo, Tokyo, Japan.
| |
Collapse
|
23
|
Kawada K, Saito T, Onoda S, Inayama T, Takahashi I, Seto Y, Nomura T, Sasaki Y, Asami T, Yajima S, Ito S. Synthesis of Carlactone Derivatives to Develop a Novel Inhibitor of Strigolactone Biosynthesis. ACS OMEGA 2023; 8:13855-13862. [PMID: 37091382 PMCID: PMC10116532 DOI: 10.1021/acsomega.3c00098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/24/2023] [Indexed: 05/03/2023]
Abstract
Strigolactones (SLs), phytohormones that inhibit shoot branching in plants, promote the germination of root-parasitic plants, such as Striga spp. and Orobanche spp., which drastically reduces the crop yield. Therefore, reducing SL production via chemical treatment may increase the crop yield. To design specific inhibitors, it is valid to utilize the substrate structure of the target proteins as lead compounds. In this study, we focused on Os900, a rice enzyme that oxidizes the SL precursor carlactone (CL) to 4-deoxyorobanchol (4DO), and synthesized 10 CL derivatives. The effects of the synthesized CL derivatives on SL biosynthesis were evaluated by the Os900 enzyme assay in vitro and by measuring 4DO levels in rice root exudates. We identified some CL derivatives that inhibited SL biosynthesis in vitro and in vivo.
Collapse
Affiliation(s)
- Kojiro Kawada
- Department
of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
- Graduate
School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Tatsuo Saito
- Department
of Chemistry for Life Sciences and Agriculture, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Satoshi Onoda
- Department
of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Takuma Inayama
- Department
of Chemistry for Life Sciences and Agriculture, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Ikuo Takahashi
- Graduate
School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Yoshiya Seto
- Department
of Agricultural Chemistry, School of Agriculture, Meiji University, 1-1-1
Higashimita, Tama-ku, Kawasaki, Kanagawa 214-8571, Japan
| | - Takahito Nomura
- Center
for Bioscience Research and Education, Utsunomiya
University, 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan
| | - Yasuyuki Sasaki
- Department
of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Tadao Asami
- Graduate
School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Shunsuke Yajima
- Department
of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
| | - Shinsaku Ito
- Department
of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
- . Phone: +81-3-5477-2460
| |
Collapse
|
24
|
Haider I, Yunmeng Z, White F, Li C, Incitti R, Alam I, Gojobori T, Ruyter-Spira C, Al-Babili S, Bouwmeester HJ. Transcriptome analysis of the phosphate starvation response sheds light on strigolactone biosynthesis in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 114:355-370. [PMID: 36775978 DOI: 10.1111/tpj.16140] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 02/06/2023] [Indexed: 05/10/2023]
Abstract
Phosphorus (P) is a major element required for plant growth and development. To cope with P shortage, plants activate local and long-distance signaling pathways, such as an increase in the production and exudation of strigolactones (SLs). The role of the latter in mitigating P deficiency is, however, still largely unknown. To shed light on this, we studied the transcriptional response to P starvation and replenishment in wild-type rice and a SL mutant, dwarf10 (d10), and upon exogenous application of the synthetic SL GR24. P starvation resulted in major transcriptional alterations, such as the upregulation of P TRANSPORTER, SYG1/PHO81/XPR1 (SPX) and VACUOLAR PHOSPHATE EFFLUX TRANSPORTER. Gene Ontology (GO) analysis of the genes induced by P starvation showed enrichment in phospholipid catabolic process and phosphatase activity. In d10, P deficiency induced upregulation of genes enriched for sesquiterpenoid production, secondary shoot formation and metabolic processes, including lactone biosynthesis. Furthermore, several genes induced by GR24 treatment shared the same GO terms with P starvation-induced genes, such as oxidation reduction, heme binding and oxidoreductase activity, hinting at the role that SLs play in the transcriptional reprogramming upon P starvation. Gene co-expression network analysis uncovered a METHYL TRANSFERASE that displayed co-regulation with known rice SL biosynthetic genes. Functional characterization showed that this gene encodes an enzyme catalyzing the conversion of carlactonoic acid to methyl carlactonoate. Our work provides a valuable resource to further studies on the response of crops to P deficiency and reveals a tool for the discovery of SL biosynthetic genes.
Collapse
Affiliation(s)
- Imran Haider
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Division of Biological and Environmental Science and Engineering, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Zhang Yunmeng
- Laboratory of Plant Physiology, Wageningen University and Research, Wageningen, PO Box 658, 6700 AR, The Netherlands
| | - Fred White
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Changsheng Li
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Roberto Incitti
- Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Intikhab Alam
- Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Takashi Gojobori
- Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Carolien Ruyter-Spira
- Laboratory of Plant Physiology, Wageningen University and Research, Wageningen, PO Box 658, 6700 AR, The Netherlands
| | - Salim Al-Babili
- Division of Biological and Environmental Science and Engineering, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
- Division of Biological and Environmental Science and Engineering, The Plant Science Program, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Harro J Bouwmeester
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| |
Collapse
|
25
|
Guan JC, Li C, Flint-Garcia S, Suzuki M, Wu S, Saunders JW, Dong L, Bouwmeester HJ, McCarty DR, Koch KE. Maize domestication phenotypes reveal strigolactone networks coordinating grain size evolution with kernel-bearing cupule architecture. THE PLANT CELL 2023; 35:1013-1037. [PMID: 36573016 PMCID: PMC10015167 DOI: 10.1093/plcell/koac370] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 11/15/2022] [Indexed: 06/17/2023]
Abstract
The maize (Zea mays) ear represents one of the most striking domestication phenotypes in any crop species, with the cob conferring an exceptional yield advantage over the ancestral form of teosinte. Remodeling of the grain-bearing surface required profound developmental changes. However, the underlying mechanisms remain unclear and can only be partly attributed to the known domestication gene Teosinte glume architecture 1 (Tga1). Here we show that a more complete conversion involves strigolactones (SLs), and that these are prominent players not only in the Tga1 phenotype but also other domestication features of the ear and kernel. Genetic combinations of a teosinte tga1 allele with three SL-related mutants progressively enhanced ancestral morphologies. The SL mutants, in addition to modulating the tga1 phenotype, also reshaped kernel-bearing pedicels and cupules in a teosinte-like manner. Genetic and molecular evidence are consistent with SL regulation of TGA1, including direct interaction of TGA1 with components of the SL-signaling system shown here to mediate TGA1 availability by sequestration. Roles of the SL network extend to enhancing maize seed size and, importantly, coordinating increased kernel growth with remodeling of protective maternal tissues. Collectively, our data show that SLs have central roles in releasing kernels from restrictive maternal encasement and coordinating other factors that increase kernel size, physical support, and their exposure on the grain-bearing surface.
Collapse
Affiliation(s)
- Jiahn-Chou Guan
- Horticultural Sciences Department, University of Florida, Gainesville, Florida 32610, USA
- Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, Florida 32610, USA
- Genetics Institute, University of Florida, Gainesville, Florida 32610, USA
| | - Changsheng Li
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam 100 BE, The Netherlands
| | - Sherry Flint-Garcia
- United States Department of Agriculture – Agricultural Research Service, Columbia, Missouri 65211, USA
| | - Masaharu Suzuki
- Horticultural Sciences Department, University of Florida, Gainesville, Florida 32610, USA
- Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, Florida 32610, USA
- Genetics Institute, University of Florida, Gainesville, Florida 32610, USA
| | - Shan Wu
- Horticultural Sciences Department, University of Florida, Gainesville, Florida 32610, USA
| | - Jonathan W Saunders
- Horticultural Sciences Department, University of Florida, Gainesville, Florida 32610, USA
| | - Lemeng Dong
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam 100 BE, The Netherlands
| | - Harro J Bouwmeester
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam 100 BE, The Netherlands
| | - Donald R McCarty
- Horticultural Sciences Department, University of Florida, Gainesville, Florida 32610, USA
- Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, Florida 32610, USA
- Genetics Institute, University of Florida, Gainesville, Florida 32610, USA
| | - Karen E Koch
- Horticultural Sciences Department, University of Florida, Gainesville, Florida 32610, USA
- Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, Florida 32610, USA
- Genetics Institute, University of Florida, Gainesville, Florida 32610, USA
| |
Collapse
|
26
|
Rani V, Sengar RS, Garg SK, Mishra P, Shukla PK. RETRACTED ARTICLE: Physiological and Molecular Role of Strigolactones as Plant Growth Regulators: A Review. Mol Biotechnol 2023:10.1007/s12033-023-00694-2. [PMID: 36802323 DOI: 10.1007/s12033-023-00694-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 02/09/2023] [Indexed: 02/23/2023]
Affiliation(s)
- Varsha Rani
- Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, 250110, India.
| | - R S Sengar
- Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, 250110, India.
| | - Sanjay Kumar Garg
- M. J. P. Rohilkhand University, Bareilly, Uttar Pradesh, 243006, India
| | - Pragati Mishra
- Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, 211007, India
| | - Pradeep Kumar Shukla
- Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, 211007, India
| |
Collapse
|
27
|
Werck-Reichhart D. Promiscuity, a Driver of Plant Cytochrome P450 Evolution? Biomolecules 2023; 13:biom13020394. [PMID: 36830762 PMCID: PMC9953472 DOI: 10.3390/biom13020394] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Plant cytochrome P450 monooxygenases were long considered to be highly substrate-specific, regioselective and stereoselective enzymes, in this respect differing from their animal counterparts. The functional data that have recently accumulated clearly counter this initial dogma. Highly promiscuous P450 enzymes have now been reported, mainly in terpenoid pathways with functions in plant adaptation, but also some very versatile xenobiotic/herbicide metabolizers. An overlap and predictable interference between endogenous and herbicide metabolism are starting to emerge. Both substrate preference and permissiveness vary between plant P450 families, with high promiscuity seemingly favoring retention of gene duplicates and evolutionary blooms. Yet significant promiscuity can also be observed in the families under high negative selection and with essential functions, usually enhanced after gene duplication. The strategies so far implemented, to systematically explore P450 catalytic capacity, are described and discussed.
Collapse
Affiliation(s)
- Danièle Werck-Reichhart
- Institut de Biologie Moléculaire des Plantes du Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg, 67000 Strasbourg, France
| |
Collapse
|
28
|
The Strigolactone Pathway Is a Target for Modifying Crop Shoot Architecture and Yield. BIOLOGY 2023; 12:biology12010095. [PMID: 36671787 PMCID: PMC9855930 DOI: 10.3390/biology12010095] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/05/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
Due to their sessile nature, plants have developed the ability to adapt their architecture in response to their environment. Branching is an integral component of plant architecture, where hormonal signals tightly regulate bud outgrowth. Strigolactones (SLs), being a novel class of phytohormone, are known to play a key role in branching decisions, where they act as a negative regulator of bud outgrowth. They can achieve this by modulating polar auxin transport to interrupt auxin canalisation, and independently of auxin by acting directly within buds by promoting the key branching inhibitor TEOSINTE BRANCHED1. Buds will grow out in optimal conditions; however, when conditions are sub-optimal, SL levels increase to restrict branching. This can be a problem in agricultural applications, as reductions in branching can have deleterious effects on crop yield. Variations in promoter elements of key SL-related genes, such as IDEAL PLANT ARCHITECTURE1, have been identified to promote a phenotype with enhanced yield performance. In this review we highlight how this knowledge can be applied using new technologies to develop new genetic variants for improving crop shoot architecture and yield.
Collapse
|
29
|
Li C, Dong L, Durairaj J, Guan JC, Yoshimura M, Quinodoz P, Horber R, Gaus K, Li J, Setotaw YB, Qi J, De Groote H, Wang Y, Thiombiano B, Floková K, Walmsley A, Charnikhova TV, Chojnacka A, Correia de Lemos S, Ding Y, Skibbe D, Hermann K, Screpanti C, De Mesmaeker A, Schmelz EA, Menkir A, Medema M, Van Dijk ADJ, Wu J, Koch KE, Bouwmeester HJ. Maize resistance to witchweed through changes in strigolactone biosynthesis. Science 2023; 379:94-99. [PMID: 36603079 DOI: 10.1126/science.abq4775] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Maize (Zea mays) is a major staple crop in Africa, where its yield and the livelihood of millions are compromised by the parasitic witchweed Striga. Germination of Striga is induced by strigolactones exuded from maize roots into the rhizosphere. In a maize germplasm collection, we identified two strigolactones, zealactol and zealactonoic acid, which stimulate less Striga germination than the major maize strigolactone, zealactone. We then showed that a single cytochrome P450, ZmCYP706C37, catalyzes a series of oxidative steps in the maize-strigolactone biosynthetic pathway. Reduction in activity of this enzyme and two others involved in the pathway, ZmMAX1b and ZmCLAMT1, can change strigolactone composition and reduce Striga germination and infection. These results offer prospects for breeding Striga-resistant maize.
Collapse
Affiliation(s)
- C Li
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - L Dong
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - J Durairaj
- Bioinformatics Group, Wageningen University & Research, 6708 PB Wageningen, Netherlands
| | - J-C Guan
- Horticultural Sciences Department, University of Florida, Gainesville, FL 32611, USA
| | - M Yoshimura
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland.,Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland.,Kyoto University, iCeMS, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - P Quinodoz
- Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland
| | - R Horber
- Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland
| | - K Gaus
- Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland
| | - J Li
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Y B Setotaw
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - J Qi
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - H De Groote
- International Maize and Wheat Improvement Center (CIMMYT), PO Box 1041-00621, Nairobi, Kenya
| | - Y Wang
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - B Thiombiano
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - K Floková
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands.,Laboratory of Growth Regulators, Institute of Experimental Botany, The Czech Academy of Sciences and Faculty of Science, Palacký University, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - A Walmsley
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - T V Charnikhova
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - A Chojnacka
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| | - S Correia de Lemos
- Bioinformatics Group, Wageningen University & Research, 6708 PB Wageningen, Netherlands.,Plant genomics and transcriptomics group, Institute of Biosciences, Sao Paulo State University, 13506-900 Rio Claro, Brazil
| | - Y Ding
- Section of Cell and Developmental Biology, University of California at San Diego; La Jolla, CA 92093, USA
| | - D Skibbe
- Seeds Research, Syngenta Crop Protection, LLC, Research Triangle Park, NC 27709, USA
| | - K Hermann
- Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland
| | - C Screpanti
- Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland
| | - A De Mesmaeker
- Syngenta Crop Protection AG, Schaffhauserstrasse 101, CH-4332 Stein, Switzerland
| | - E A Schmelz
- Section of Cell and Developmental Biology, University of California at San Diego; La Jolla, CA 92093, USA
| | - A Menkir
- International Institute of Tropical Agriculture, PMB 5320 Oyo Road, Ibadan, Nigeria
| | - M Medema
- Bioinformatics Group, Wageningen University & Research, 6708 PB Wageningen, Netherlands
| | - A D J Van Dijk
- Bioinformatics Group, Wageningen University & Research, 6708 PB Wageningen, Netherlands
| | - J Wu
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - K E Koch
- Horticultural Sciences Department, University of Florida, Gainesville, FL 32611, USA
| | - H J Bouwmeester
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands
| |
Collapse
|
30
|
Wakabayashi T, Moriyama D, Miyamoto A, Okamura H, Shiotani N, Shimizu N, Mizutani M, Takikawa H, Sugimoto Y. Identification of novel canonical strigolactones produced by tomato. FRONTIERS IN PLANT SCIENCE 2022; 13:1064378. [PMID: 36589093 PMCID: PMC9794758 DOI: 10.3389/fpls.2022.1064378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Canonical strigolactones (SLs), such as orobanchol, consist of a tricyclic lactone ring (ABC-ring) connected to a methylbutenolide (D-ring). Tomato plants have been reported to produce not only orobanchol but also various canonical SLs related to the orobanchol structure, including orobanchyl acetate, 7-hydroxyorobanchol isomers, 7-oxoorobanchol, and solanacol. In addition to these, structurally unidentified SL-like compounds known as didehydroorobanchol isomers (DDHs), whose molecular mass is 2 Da smaller than that of orobanchol, have been found. Although the SL biosynthetic pathway in tomato is partially characterized, structural elucidation of DDHs is required for a better understanding of the entire biosynthetic pathway. In this study, three novel canonical SLs with the same molecular mass as DDHs were identified in tomato root exudates. The first was 6,7-didehydroorobanchol, while the other two were not in the DDH category. These two SLs were designated phelipanchol and epiphelipanchol because they induced the germination of Phelipanche ramosa, a noxious root parasitic weed of tomato. We also proposed a putative biosynthetic pathway incorporating these novel SLs from orobanchol to solanacol.
Collapse
Affiliation(s)
- Takatoshi Wakabayashi
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| | - Daisuke Moriyama
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
- Faculty of Bioenvironmental Science, Kyoto University of Advanced Science, Kameoka, Japan
| | - Ayumi Miyamoto
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| | - Hironori Okamura
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Nanami Shiotani
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Nobuhiro Shimizu
- Faculty of Bioenvironmental Science, Kyoto University of Advanced Science, Kameoka, Japan
| | - Masaharu Mizutani
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| | - Hirosato Takikawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yukihiro Sugimoto
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| |
Collapse
|
31
|
Faizan M, Cheng SH, Tonny SH, Robab MI. Specific roles of strigolactones in plant physiology and remediation of heavy metals from contaminated soil. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 192:186-195. [PMID: 36244191 DOI: 10.1016/j.plaphy.2022.10.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 09/06/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Strigolactones (SLs) have been implicated in various developmental processes of the plant, including the response against several abiotic stresses. It is well known as a class of endogenous phytohormones that regulates shoot branching, secondary growth and root morphology. This hormone facilitates plants in responding to nitrogen and phosphorus starvation by shaping the above and below ground structural design. SLs actively participate within regulatory networks of plant stress adaptation that are governed by phytohormones. Heavy metals (HMs) in soil are considered a serious environmental problem that causes various harmful effects on plants. SLs along with other plant hormones imply the role in plant architecture is far from being fully understood. Strategy to remove/remediation of HMs from the soil with the help of SLs has not been defined yet. Therefore, the present review aims to comprehensively provide an overview of SLs role in fine-tuning plant architectures, relation with other plant hormones under abiotic stress, and remediation of HMs contaminated soil using SLs.
Collapse
Affiliation(s)
- Mohammad Faizan
- Botany Section, School of Sciences, Maulana Azad National Urdu University, Hyderabad, 500032, India.
| | - Shi Hui Cheng
- School of Biosciences, University of Nottingham, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Sadia Haque Tonny
- Faculty of Agriculture, Bangladesh Agriculture University, Mymensingh, 2202, Bangladesh
| | - Merajul Islam Robab
- Botany Section, School of Sciences, Maulana Azad National Urdu University, Hyderabad, 500032, India
| |
Collapse
|
32
|
Trasoletti M, Visentin I, Campo E, Schubert A, Cardinale F. Strigolactones as a hormonal hub for the acclimation and priming to environmental stress in plants. PLANT, CELL & ENVIRONMENT 2022; 45:3611-3630. [PMID: 36207810 PMCID: PMC9828678 DOI: 10.1111/pce.14461] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/29/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Strigolactones are phytohormones with many attributed roles in development, and more recently in responses to environmental stress. We will review evidence of the latter in the frame of the classic distinction among the three main stress acclimation strategies (i.e., avoidance, tolerance and escape), by taking osmotic stress in its several facets as a non-exclusive case study. The picture we will sketch is that of a hormonal family playing important roles in each of the mechanisms tested so far, and influencing as well the build-up of environmental memory through priming. Thus, strigolactones appear to be backstage operators rather than frontstage players, setting the tune of acclimation responses by fitting them to the plant individual history of stress experience.
Collapse
Affiliation(s)
| | | | - Eva Campo
- DISAFA, PlantStressLabTurin UniversityTurinItaly
| | | | | |
Collapse
|
33
|
Feng M, Chen C, Qu-Bie J, Qu-Bie A, Bao X, Cui Q, Yan X, Li Y, Liu Y, Zhang S. Metabolome and transcriptome associated analysis of sesquiterpenoid metabolism in Nardostachys jatamansi. FRONTIERS IN PLANT SCIENCE 2022; 13:1041321. [PMID: 36523614 PMCID: PMC9746346 DOI: 10.3389/fpls.2022.1041321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 11/10/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Nardostachys jatamansi, an extremely endangered valuable plant of the alpine Himalayas, can synthesize specific sesquiterpenoids with multiple effective therapies and is widely exploited for the preparation of drugs, cosmetics and even religious functions (e.g., well-known spikenard). However, how accumulation trend of the sesquiterpenoids in tissues and the molecular mechanisms underlying the production of the active ingredients are not well understood. METHODS The single-molecule real-time (SMRT) and RNA-seq transcriptome sequencing were combined to analyse the roots, rhizomes, leaves, flowers and anthocaulus of N. jatamansi. The phytochemical analysis was performed by gas chromatography‒mass spectrometry (GC‒MS) and ultrahigh-performance liquid chromatography (UPLC). RESULTS A high-quality full-length reference transcriptome with 26,503 unigenes was generated for the first time. For volatile components, a total of sixty-five compounds were successfully identified, including fifty sesquiterpenoids. Their accumulation levels in five tissues were significantly varied, and most of the sesquiterpenoids were mainly enriched in roots and rhizomes. In addition, five aromatic compounds were only detected in flowers, which may help the plant attract insects for pollination. For nonvolatile ingredients, nardosinone-type sesquiterpenoids (nardosinone, kanshone C, and isonardosinone) were detected almost exclusively in roots and rhizomes. The candidate genes associated with sesquiterpenoid biosynthesis were identified by transcriptome analysis. Consistently, it was found that most biosynthesis genes were abundantly expressed in the roots and rhizomes according to the functional enrichment and expression patterns results. There was a positive correlation between the expression profile of genes related to the biosynthesis and the accumulation level of sesquiterpenoids in tissues. Gene family function analysis identified 28 NjTPSs and 43 NjCYPs that may be involved in the biosynthesis of the corresponding sesquiterpenoids. Furthermore, gene family functional analysis and gene coexpression network analysis revealed 28 NjTPSs and 43 NjCYPs associated with nardosinone-type sesquiterpenoid biosynthesis. CONCLUSION Our research results reveal the framework of sesquiterpenoids accumulation and biosynthesis in plant tissues and provide valuable support for further studies to elucidate the molecular mechanisms of sesquiterpenoid regulation and accumulation in N. jatamansi and will also contribute to the comprehensive utilization of this alpine plant.
Collapse
Affiliation(s)
- Mingkang Feng
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
- College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Chen Chen
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
| | - Junzhang Qu-Bie
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
- College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Axiang Qu-Bie
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
- College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Xiaoming Bao
- Analysis and Application Center, Shimadzu (China) Co., Ltd, Chengdu, China
| | - Qi Cui
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
- College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Xinjia Yan
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
| | - Ying Li
- College of Pharmacy, Southwest Minzu University, Chengdu, China
| | - Yuan Liu
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
| | - Shaoshan Zhang
- Tibetan Plateau Ethnic Medicinal Resources Protection and Utilization Key Laboratory of National Ethnic Affairs Commission of the People's Republic of China, Southwest Minzu University, Chengdu, China
- Sichuan Provincial Qiang-Yi Medicinal Resources Protection and Utilization Technology and Engineering Laboratory, Southwest Minzu University, Chengdu, China
| |
Collapse
|
34
|
Ito S, Braguy J, Wang JY, Yoda A, Fiorilli V, Takahashi I, Jamil M, Felemban A, Miyazaki S, Mazzarella T, Chen GTE, Shinozawa A, Balakrishna A, Berqdar L, Rajan C, Ali S, Haider I, Sasaki Y, Yajima S, Akiyama K, Lanfranco L, Zurbriggen MD, Nomura T, Asami T, Al-Babili S. Canonical strigolactones are not the major determinant of tillering but important rhizospheric signals in rice. SCIENCE ADVANCES 2022; 8:eadd1278. [PMID: 36322663 PMCID: PMC9629705 DOI: 10.1126/sciadv.add1278] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 09/14/2022] [Indexed: 05/09/2023]
Abstract
Strigolactones (SLs) are a plant hormone inhibiting shoot branching/tillering and a rhizospheric, chemical signal that triggers seed germination of the noxious root parasitic plant Striga and mediates symbiosis with beneficial arbuscular mycorrhizal fungi. Identifying specific roles of canonical and noncanonical SLs, the two SL subfamilies, is important for developing Striga-resistant cereals and for engineering plant architecture. Here, we report that rice mutants lacking canonical SLs do not show the shoot phenotypes known for SL-deficient plants, exhibiting only a delay in establishing arbuscular mycorrhizal symbiosis, but release exudates with a significantly decreased Striga seed-germinating activity. Blocking the biosynthesis of canonical SLs by TIS108, a specific enzyme inhibitor, significantly lowered Striga infestation without affecting rice growth. These results indicate that canonical SLs are not the determinant of shoot architecture and pave the way for increasing crop resistance by gene editing or chemical treatment.
Collapse
Affiliation(s)
- Shinsaku Ito
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Justine Braguy
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Institute of Synthetic Biology and CEPLAS, University of Düsseldorf, Universitätstrasse 1, Building 26.12.U1.25, Düsseldorf 40225, Germany
| | - Jian You Wang
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Akiyoshi Yoda
- Department of Biological Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino 10125, Italy
| | - Ikuo Takahashi
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Muhammad Jamil
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Abrar Felemban
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Sho Miyazaki
- Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Teresa Mazzarella
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino 10125, Italy
| | - Guan-Ting Erica Chen
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Akihisa Shinozawa
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
- Genome Research Center, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Aparna Balakrishna
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Lamis Berqdar
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Chakravarty Rajan
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Shawkat Ali
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Kentville Research and Development Centre, 32 Main Street, Kentville, NS B4N 1J5, Canada
| | - Imran Haider
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
| | - Yasuyuki Sasaki
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Shunsuke Yajima
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Kohki Akiyama
- Department of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino 10125, Italy
| | - Matias D. Zurbriggen
- Institute of Synthetic Biology and CEPLAS, University of Düsseldorf, Universitätstrasse 1, Building 26.12.U1.25, Düsseldorf 40225, Germany
| | - Takahito Nomura
- Department of Biological Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
- Center for Bioscience Research and Education, Utsunomiya University, 350 Minemachi, Utsunomiya, Tochigi 321-8505, Japan
| | - Tadao Asami
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Salim Al-Babili
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| |
Collapse
|
35
|
Wen S, Tu Z, Wei L, Li H. Liriodendron chinense LcMAX1 regulates primary root growth and shoot branching in Arabidopsis thaliana. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 190:1-10. [PMID: 36084353 DOI: 10.1016/j.plaphy.2022.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 08/10/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Strigolactones (SLs) play prominent roles in regulating shoot branching and root architecture in model plants. However, their roles in non-model (particularly woody) plants remain unclear. Liriodendron chinense is a timber tree species widely planted in southern China. The outturn percentage and wood quality of L. chinense are greatly affected by the branching characteristics of its shoot, and the rooting ability of the cuttings is key for its vegetative propagation. Here, we isolated and analyzed the function of the MORE AXILLARY GROWTH 1 (LcMAX1) gene, which is involved in L. chinense SL biosynthesis. RT-qPCR showed that LcMAX1 was highly expressed in the roots and axillary buds. LcMAX1 was located in the endoplasmic reticulum (ER) and nucleus. LcMAX1 ectopic expression promoted primary root growth, whereas there were no phenotypic differences in shoot branching between transgenic and wild-type (WT) A. thaliana plants. LcMAX1 overexpression in the max1 mutant restored them to the WT A. thaliana phenotypes. Additionally, AtPIN1, AtPIN2, and AtBRC1 expressions were significantly upregulated in transgenic A. thaliana and the max1 mutant. It was therefore speculated that LcMAX1 promotes primary root growth by regulating expression of auxin transport-related genes in A. thaliana, and LcMAX1 inhibits shoot branching by upregulating expression of AtBRC1 in the max1 mutant. Altogether, these results demonstrated that the root development and shoot branching functions of LcMAX1 were similar to those of AtMAX1. Our findings provide a foundation for obtaining further insights into root and branch development in L. chinense.
Collapse
Affiliation(s)
- Shaoying Wen
- Key Laboratory of Forest Genetics & Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
| | - Zhonghua Tu
- Key Laboratory of Forest Genetics & Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
| | - Lingming Wei
- Key Laboratory of Forest Genetics & Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
| | - Huogen Li
- Key Laboratory of Forest Genetics & Biotechnology of Ministry of Education, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
| |
Collapse
|
36
|
Kleman J, Matusova R. Strigolactones: Current research progress in the response of plants to abiotic stress. Biologia (Bratisl) 2022. [DOI: 10.1007/s11756-022-01230-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
37
|
Yata A, Nosaki S, Yoda A, Nomura T, Miura K. Production and stably maintenance of strigolactone by transient expression of biosynthetic enzymes in Nicotiana benthamiana. FRONTIERS IN PLANT SCIENCE 2022; 13:1027004. [PMID: 36388605 PMCID: PMC9650523 DOI: 10.3389/fpls.2022.1027004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Strigolactones (SLs) are phytohormones that play an essential role in plant-microbe interactions. The instability of SLs makes it challenging to use them for application to agriculture. In this study, we successfully produced a large amount of the 4-deoxyorobanchol (4DO), one of SLs, in the leaves of Nicotiana benthamiana, using a transient expression system to express SL biosynthetic enzymes. Using this system, the yield of 4DO was 2.1 ± 0.3 μg/gFM (fresh mass). Treatment of leaves at 80°C for 16 h killed Agrobacterium and approximately half amount of 4DO was left in the leaves (1.0 μg/gFM (calculated based on the original FM) ± 0.3). Interestingly, incubation of dried leaves at room temperature for 1 month maintained an almost equal amount of 4DO (0.9 ± 0.2 μg/gFM) in the leaves. These results suggest that high accumulation of 4DO with stability for long periods can be achieved in plant leaves.
Collapse
Affiliation(s)
- Akira Yata
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan
| | - Shohei Nosaki
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan
- Tsukuba-Plant Innovation Research Center (T-PIRC), University of Tsukuba, Tsukuba, Japan
| | - Akiyoshi Yoda
- Department of Biological Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Japan
| | - Takahito Nomura
- Department of Biological Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Japan
| | - Kenji Miura
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan
- Tsukuba-Plant Innovation Research Center (T-PIRC), University of Tsukuba, Tsukuba, Japan
| |
Collapse
|
38
|
Lucido A, Basallo O, Sorribas A, Marin-Sanguino A, Vilaprinyo E, Alves R. A mathematical model for strigolactone biosynthesis in plants. FRONTIERS IN PLANT SCIENCE 2022; 13:979162. [PMID: 36119618 PMCID: PMC9480829 DOI: 10.3389/fpls.2022.979162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Strigolactones mediate plant development, trigger symbiosis with arbuscular mycorrhizal fungi, are abundant in 80% of the plant kingdom and help plants gain resistance to environmental stressors. They also induce germination of parasitic plant seeds that are endemic to various continents, such as Orobanche in Europe or Asia and Striga in Africa. The genes involved in the early stages of strigolactones biosynthesis are known in several plants. The regulatory structure and the latter parts of the pathway, where flux branching occurs to produce alternative strigolactones, are less well-understood. Here we present a computational study that collects the available experimental evidence and proposes alternative biosynthetic pathways that are consistent with that evidence. Then, we test the alternative pathways through in silico simulation experiments and compare those experiments to experimental information. Our results predict the differences in dynamic behavior between alternative pathway designs. Independent of design, the analysis suggests that feedback regulation is unlikely to exist in strigolactone biosynthesis. In addition, our experiments suggest that engineering the pathway to modulate the production of strigolactones could be most easily achieved by increasing the flux of β-carotenes going into the biosynthetic pathway. Finally, we find that changing the ratio of alternative strigolactones produced by the pathway can be done by changing the activity of the enzymes after the flux branching points.
Collapse
Affiliation(s)
- Abel Lucido
- Systems Biology Group, Department Ciències Mèdiques Bàsiques, Faculty of Medicine, Universitat de Lleida, Lleida, Spain
- Institut de Recerca Biomédica de Lleida (IRBLleida), Lleida, Spain
| | - Oriol Basallo
- Systems Biology Group, Department Ciències Mèdiques Bàsiques, Faculty of Medicine, Universitat de Lleida, Lleida, Spain
- Institut de Recerca Biomédica de Lleida (IRBLleida), Lleida, Spain
| | - Albert Sorribas
- Systems Biology Group, Department Ciències Mèdiques Bàsiques, Faculty of Medicine, Universitat de Lleida, Lleida, Spain
- Institut de Recerca Biomédica de Lleida (IRBLleida), Lleida, Spain
| | - Alberto Marin-Sanguino
- Systems Biology Group, Department Ciències Mèdiques Bàsiques, Faculty of Medicine, Universitat de Lleida, Lleida, Spain
- Institut de Recerca Biomédica de Lleida (IRBLleida), Lleida, Spain
| | - Ester Vilaprinyo
- Systems Biology Group, Department Ciències Mèdiques Bàsiques, Faculty of Medicine, Universitat de Lleida, Lleida, Spain
- Institut de Recerca Biomédica de Lleida (IRBLleida), Lleida, Spain
| | - Rui Alves
- Systems Biology Group, Department Ciències Mèdiques Bàsiques, Faculty of Medicine, Universitat de Lleida, Lleida, Spain
- Institut de Recerca Biomédica de Lleida (IRBLleida), Lleida, Spain
| |
Collapse
|
39
|
Vinde MH, Cao D, Chesterfield RJ, Yoneyama K, Gumulya Y, Thomson RES, Matila T, Ebert BE, Beveridge CA, Vickers CE, Gillam EMJ. Ancestral sequence reconstruction of the CYP711 family reveals functional divergence in strigolactone biosynthetic enzymes associated with gene duplication events in monocot grasses. THE NEW PHYTOLOGIST 2022; 235:1900-1912. [PMID: 35644901 PMCID: PMC9544836 DOI: 10.1111/nph.18285] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
The strigolactone (SL) class of phytohormones shows broad chemical diversity, the functional importance of which remains to be fully elucidated, along with the enzymes responsible for the diversification of the SL structure. Here we explore the functional evolution of the highly conserved CYP711A P450 family, members of which catalyze several key monooxygenation reactions in the strigolactone pathway. Ancestral sequence reconstruction was utilized to infer ancestral CYP711A sequences based on a comprehensive set of extant CYP711 sequences. Eleven ancestral enzymes, corresponding to key points in the CYP711A phylogenetic tree, were resurrected and their activity was characterized towards the native substrate carlactone and the pure enantiomers of the synthetic strigolactone analogue, GR24. The ancestral and extant CYP711As tested accepted GR24 as a substrate and catalyzed several diversifying oxidation reactions on the structure. Evidence was obtained for functional divergence in the CYP711A family. The monocot group 3 ancestor, arising from gene duplication events within monocot grasses, showed both increased catalytic activity towards GR24 and high stereoselectivity towards the GR24 isomer resembling strigol-type SLs. These results are consistent with a role for CYP711As in strigolactone diversification in early land plants, which may have extended to the diversification of strigol-type SLs.
Collapse
Affiliation(s)
- Marcos H. Vinde
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandSt LuciaQld4072Australia
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQld4072Australia
- CSIRO Synthetic Biology Future Science PlatformCSIRO Land & Water, EcoSciences PrecinctDutton ParkBrisbaneQld4012Australia
| | - Da Cao
- School of Biological Sciences, ARC Centre of Excellence for Plant Success in Nature and AgricultureThe University of QueenslandSt LuciaQld4072Australia
| | - Rebecca J. Chesterfield
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandSt LuciaQld4072Australia
- CSIRO Synthetic Biology Future Science PlatformCSIRO Land & Water, EcoSciences PrecinctDutton ParkBrisbaneQld4012Australia
| | - Kaori Yoneyama
- Graduate School of AgricultureEhime UniversityEhime790‐8566Japan
- Japan Science and Technology AgencyPRESTOSaitama332‐0012Japan
| | - Yosephine Gumulya
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQld4072Australia
| | - Raine E. S. Thomson
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQld4072Australia
| | - Tebogo Matila
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQld4072Australia
| | - Birgitta E. Ebert
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandSt LuciaQld4072Australia
| | - Christine A. Beveridge
- School of Biological Sciences, ARC Centre of Excellence for Plant Success in Nature and AgricultureThe University of QueenslandSt LuciaQld4072Australia
| | - Claudia E. Vickers
- Japan Science and Technology AgencyPRESTOSaitama332‐0012Japan
- ARC Centre of Excellence in Synthetic BiologyQueensland University of TechnologyBrisbaneQld4000Australia
- Griffith Institute for Drug DesignGriffith UniversityNathanBrisbaneQld4111Australia
| | - Elizabeth M. J. Gillam
- School of Chemistry and Molecular BiosciencesThe University of QueenslandSt LuciaQld4072Australia
| |
Collapse
|
40
|
Okazaki K, Koike I, Kera S, Yamaguchi K, Shigenobu S, Shimomura K, Umehara M. Gene expression profiling before and after internode culture for adventitious shoot formation in ipecac. BMC PLANT BIOLOGY 2022; 22:361. [PMID: 35869421 PMCID: PMC9308184 DOI: 10.1186/s12870-022-03756-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND In ipecac (Carapichea ipecacuanha (Brot.) L. Andersson), adventitious shoots can be induced simply by placing internodal segments on phytohormone-free culture medium. The shoots form locally on the epidermis of the apical region of the segments, but not the basal region. Levels of endogenous auxin and cytokinin transiently increase in the segments after 1 week of culture. RESULTS Here, we conducted RNA-seq analysis to compare gene expression patterns in apical and basal regions of segments before culture and after 1 week of culture for adventitious shoot formation. The results revealed 8987 differentially expressed genes in a de novo assembly of 76,684 genes. Among them, 276 genes were upregulated in the apical region after 1 week of culture relative to before culture and the basal region after 1 week of culture. These genes include 18 phytohormone-response genes and shoot-formation-related genes. Validation of the gene expression by quantitative real-time PCR assay confirmed that the expression patterns were similar to those of the RNA-seq data. CONCLUSIONS The transcriptome data show that expression of cytokinin biosynthesis genes is induced along with the acquisition of cellular pluripotency and the initiation of cell division by wounding in the apical region of internodal segments, that trigger adventitious shoot formation without callusing.
Collapse
Affiliation(s)
- Karin Okazaki
- Graduate School of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma, 374-0193, Japan
| | - Imari Koike
- Graduate School of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma, 374-0193, Japan
| | - Sayuri Kera
- Graduate School of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma, 374-0193, Japan
| | - Katushi Yamaguchi
- Trans-Scale Biology Center, National Institute for Basic Biology, 38 Nishigonaka, Myodaiji, Okazaki, Aichi, 444-8585, Japan
| | - Shuji Shigenobu
- Trans-Scale Biology Center, National Institute for Basic Biology, 38 Nishigonaka, Myodaiji, Okazaki, Aichi, 444-8585, Japan
| | - Koichiro Shimomura
- Graduate School of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma, 374-0193, Japan
| | - Mikihisa Umehara
- Graduate School of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma, 374-0193, Japan.
- Department of Applied Biosciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma, 374-0193, Japan.
| |
Collapse
|
41
|
Yu J, Tu X, Huang AC. Functions and biosynthesis of plant signaling metabolites mediating plant-microbe interactions. Nat Prod Rep 2022; 39:1393-1422. [PMID: 35766105 DOI: 10.1039/d2np00010e] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Covering: 2015-2022Plants and microbes have coevolved since their appearance, and their interactions, to some extent, define plant health. A reasonable fraction of small molecules plants produced are involved in mediating plant-microbe interactions, yet their functions and biosynthesis remain fragmented. The identification of these compounds and their biosynthetic genes will open up avenues for plant fitness improvement by manipulating metabolite-mediated plant-microbe interactions. Herein, we integrate the current knowledge on their chemical structures, bioactivities, and biosynthesis with the view of providing a high-level overview on their biosynthetic origins and evolutionary trajectory, and pinpointing the yet unknown and key enzymatic steps in diverse biosynthetic pathways. We further discuss the theoretical basis and prospects for directing plant signaling metabolite biosynthesis for microbe-aided plant health improvement in the future.
Collapse
Affiliation(s)
- Jingwei Yu
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, SUSTech-PKU Institute of Plant and Food Science, Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
| | - Xingzhao Tu
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, SUSTech-PKU Institute of Plant and Food Science, Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
| | - Ancheng C Huang
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, SUSTech-PKU Institute of Plant and Food Science, Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
| |
Collapse
|
42
|
Kodama K, Rich MK, Yoda A, Shimazaki S, Xie X, Akiyama K, Mizuno Y, Komatsu A, Luo Y, Suzuki H, Kameoka H, Libourel C, Keller J, Sakakibara K, Nishiyama T, Nakagawa T, Mashiguchi K, Uchida K, Yoneyama K, Tanaka Y, Yamaguchi S, Shimamura M, Delaux PM, Nomura T, Kyozuka J. An ancestral function of strigolactones as symbiotic rhizosphere signals. Nat Commun 2022. [PMID: 35803942 DOI: 10.1101/2021.08.20.457034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023] Open
Abstract
In flowering plants, strigolactones (SLs) have dual functions as hormones that regulate growth and development, and as rhizosphere signaling molecules that induce symbiosis with arbuscular mycorrhizal (AM) fungi. Here, we report the identification of bryosymbiol (BSB), an SL from the bryophyte Marchantia paleacea. BSB is also found in vascular plants, indicating its origin in the common ancestor of land plants. BSB synthesis is enhanced at AM symbiosis permissive conditions and BSB deficient mutants are impaired in AM symbiosis. In contrast, the absence of BSB synthesis has little effect on the growth and gene expression. We show that the introduction of the SL receptor of Arabidopsis renders M. paleacea cells BSB-responsive. These results suggest that BSB is not perceived by M. paleacea cells due to the lack of cognate SL receptors. We propose that SLs originated as AM symbiosis-inducing rhizosphere signaling molecules and were later recruited as plant hormone.
Collapse
Affiliation(s)
- Kyoichi Kodama
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Mélanie K Rich
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France
| | - Akiyoshi Yoda
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan
| | - Shota Shimazaki
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Xiaonan Xie
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan
| | - Kohki Akiyama
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
| | - Yohei Mizuno
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Aino Komatsu
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Yi Luo
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Hidemasa Suzuki
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Hiromu Kameoka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Cyril Libourel
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France
| | - Jean Keller
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France
| | | | - Tomoaki Nishiyama
- Research Center for Experimental Modeling of Human Disease, Kanazawa University, Kanazawa, Japan
| | | | | | - Kenichi Uchida
- Department of Biosciences, Teikyo University, Tochigi, Japan
| | - Kaori Yoneyama
- Graduate School of Agriculture, Ehime University, Ehime, Japan
| | - Yoshikazu Tanaka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | | | - Masaki Shimamura
- Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
| | - Pierre-Marc Delaux
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France.
| | - Takahito Nomura
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan.
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan.
| | - Junko Kyozuka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan.
| |
Collapse
|
43
|
Kodama K, Rich MK, Yoda A, Shimazaki S, Xie X, Akiyama K, Mizuno Y, Komatsu A, Luo Y, Suzuki H, Kameoka H, Libourel C, Keller J, Sakakibara K, Nishiyama T, Nakagawa T, Mashiguchi K, Uchida K, Yoneyama K, Tanaka Y, Yamaguchi S, Shimamura M, Delaux PM, Nomura T, Kyozuka J. An ancestral function of strigolactones as symbiotic rhizosphere signals. Nat Commun 2022; 13:3974. [PMID: 35803942 PMCID: PMC9270392 DOI: 10.1038/s41467-022-31708-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 06/29/2022] [Indexed: 11/23/2022] Open
Abstract
In flowering plants, strigolactones (SLs) have dual functions as hormones that regulate growth and development, and as rhizosphere signaling molecules that induce symbiosis with arbuscular mycorrhizal (AM) fungi. Here, we report the identification of bryosymbiol (BSB), an SL from the bryophyte Marchantia paleacea. BSB is also found in vascular plants, indicating its origin in the common ancestor of land plants. BSB synthesis is enhanced at AM symbiosis permissive conditions and BSB deficient mutants are impaired in AM symbiosis. In contrast, the absence of BSB synthesis has little effect on the growth and gene expression. We show that the introduction of the SL receptor of Arabidopsis renders M. paleacea cells BSB-responsive. These results suggest that BSB is not perceived by M. paleacea cells due to the lack of cognate SL receptors. We propose that SLs originated as AM symbiosis-inducing rhizosphere signaling molecules and were later recruited as plant hormone. Strigolactones (SLs) regulate angiosperm development and promote symbiosis with arbuscular mycorrhizae. Here the authors show that bryosymbiol, an SL present in bryophytes and angiosperms, promotes AM symbiosis in Marchantia paleacea suggesting an ancestral function of SLs as rhizosphere signals.
Collapse
Affiliation(s)
- Kyoichi Kodama
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Mélanie K Rich
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France
| | - Akiyoshi Yoda
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan.,Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan
| | - Shota Shimazaki
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Xiaonan Xie
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan.,Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan
| | - Kohki Akiyama
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
| | - Yohei Mizuno
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Aino Komatsu
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Yi Luo
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Hidemasa Suzuki
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Hiromu Kameoka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Cyril Libourel
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France
| | - Jean Keller
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France
| | | | - Tomoaki Nishiyama
- Research Center for Experimental Modeling of Human Disease, Kanazawa University, Kanazawa, Japan
| | | | | | - Kenichi Uchida
- Department of Biosciences, Teikyo University, Tochigi, Japan
| | - Kaori Yoneyama
- Graduate School of Agriculture, Ehime University, Ehime, Japan
| | - Yoshikazu Tanaka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | | | - Masaki Shimamura
- Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
| | - Pierre-Marc Delaux
- LRSV, Université de Toulouse, CNRS, UPS, Toulouse INP, Auzeville-Tolosane, France.
| | - Takahito Nomura
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan. .,Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan.
| | - Junko Kyozuka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan.
| |
Collapse
|
44
|
Yang R, Liu W, Sun Y, Sun Z, Wu Z, Wang Y, Wang M, Wang H, Bai S, Fu C. LATERAL BRANCHING OXIDOREDUCTASE, one novel target gene of Squamosa Promoter Binding Protein-like 2, regulates tillering in switchgrass. THE NEW PHYTOLOGIST 2022; 235:563-575. [PMID: 35383390 PMCID: PMC9321131 DOI: 10.1111/nph.18140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/29/2022] [Indexed: 06/14/2023]
Abstract
Strigolactones (SLs) play a critical role in regulating plant tiller number. LATERAL BRANCHING OXIDOREDUCTASE (LBO) encodes an important late-acting enzyme for SL biosynthesis and regulates shoot branching in Arabidopsis. However, little is known about the function of LBO in monocots including switchgrass (Panicum virgatum L.), a dual-purpose fodder and biofuel crop. We studied the function of PvLBO via the genetic manipulation of its expression levels in both the wild-type and miR156 overexpressing (miR156OE ) switchgrass. Co-expression analysis, quantitative real-time polymerase chain reaction (qRT-PCR), transient dual luciferase assay, and chromatin immunoprecipitation-qPCR were all used to determine the activation of PvLBO by miR156-targeted Squamosa Promoter Binding Protein-like 2 (PvSPL2) in regulating tillering of switchgrass. PvLBOtranscripts dramatically declined in miR156OE transgenic switchgrass, and the overexpression of PvLBO in the miR156OE transgenic line produce fewer tillers than the control. Furthermore, we found that PvSPL2 can directly bind to the promoter of PvLBO and activate its transcription, suggesting that PvLBO is a novel downstream gene of PvSPL2. We propose that PvLBO functions as an SL biosynthetic gene to mediate tillering and acts as an important downstream factor in the crosstalk between the SL biosynthetic pathway and the miR156-SPL module in switchgrass.
Collapse
Affiliation(s)
- Ruijuan Yang
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
- University of Chinese Academy of SciencesBeijing100049China
| | - Wenwen Liu
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
| | - Ying Sun
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
| | - Zhichao Sun
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
| | - Zhenying Wu
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
- University of Chinese Academy of SciencesBeijing100049China
| | - Yamei Wang
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
| | - Mengqi Wang
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
| | - Honglun Wang
- CAS Key Laboratory of Tibetan Medicine ResearchNorthwest Institute of Plateau BiologyChinese Academy of SciencesXining810008China
| | - Shiqie Bai
- Sichuan Academy of Grassland ScienceChengdu611731China
| | - Chunxiang Fu
- Shandong Provincial Key Laboratory of Energy Genetics and CAS Key Laboratory of BiofuelsQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101China
- University of Chinese Academy of SciencesBeijing100049China
- CAS Key Laboratory of Tibetan Medicine ResearchNorthwest Institute of Plateau BiologyChinese Academy of SciencesXining810008China
| |
Collapse
|
45
|
Li Q, Martín-Fontecha ES, Khosla A, White AR, Chang S, Cubas P, Nelson DC. The strigolactone receptor D14 targets SMAX1 for degradation in response to GR24 treatment and osmotic stress. PLANT COMMUNICATIONS 2022; 3:100303. [PMID: 35529949 PMCID: PMC9073322 DOI: 10.1016/j.xplc.2022.100303] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 12/15/2021] [Accepted: 01/25/2022] [Indexed: 05/25/2023]
Abstract
The effects of the phytohormone strigolactone (SL) and smoke-derived karrikins (KARs) on plants are generally distinct, despite the fact that they are perceived through very similar mechanisms. The homologous receptors DWARF14 (D14) and KARRIKIN-INSENSITIVE2 (KAI2), together with the F-box protein MORE AXILLARY GROWTH2 (MAX2), mediate SL and KAR responses, respectively, by targeting different SMAX1-LIKE (SMXL) family proteins for degradation. These mechanisms are putatively well-insulated, with D14-MAX2 targeting SMXL6, SMXL7, and SMXL8 and KAI2-MAX2 targeting SMAX1 and SMXL2 in Arabidopsis thaliana. Recent evidence challenges this model. We investigated whether D14 can target SMAX1 and whether this occurs naturally. Genetic analysis indicates that the SL analog GR24 promotes D14-SMAX1 crosstalk. Although D14 shows weaker interactions with SMAX1 than with SMXL2 or SMXL7, D14 mediates GR24-induced degradation of SMAX1 in plants. Osmotic stress triggers SMAX1 degradation, which is protective, through SL biosynthesis and signaling genes. Thus, D14-SMAX1 crosstalk may be beneficial and not simply a vestige of the evolution of the SL pathway.
Collapse
Affiliation(s)
- Qingtian Li
- Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA
| | - Elena Sánchez Martín-Fontecha
- Plant Molecular Genetics Department, Centro Nacional de Biotecnología/CSIC, Campus Universidad Autόnoma de Madrid, Madrid, Spain
| | - Aashima Khosla
- Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA
| | - Alexandra R.F. White
- Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA
| | - Sunhyun Chang
- Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA
| | - Pilar Cubas
- Plant Molecular Genetics Department, Centro Nacional de Biotecnología/CSIC, Campus Universidad Autόnoma de Madrid, Madrid, Spain
| | - David C. Nelson
- Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA
| |
Collapse
|
46
|
Toporkova YY, Askarova EK, Gorina SS, Mukhtarova LS, Grechkin AN. Oxylipin biosynthesis in spikemoss Selaginella moellendorffii: Identification of allene oxide synthase (CYP74L2) and hydroperoxide lyase (CYP74L1). PHYTOCHEMISTRY 2022; 195:113051. [PMID: 34890887 DOI: 10.1016/j.phytochem.2021.113051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 06/13/2023]
Abstract
Nonclassical P450s of the CYP74 family catalyse the secondary conversions of fatty acid hydroperoxides to bioactive oxylipins in plants. The model organism, spikemoss Selaginella moellendorffii Hieron, possesses at least ten CYP74 genes of novel J, K, L, and M subfamilies. The cloning of three CYP74L genes and catalytic properties of recombinant proteins are described in the present work. The CYP74L1 possessed mainly hydroperoxide lyase (HPL) activity towards the 13(S)-hydroperoxide of α-linolenic acids (13-HPOT) and nearly equal HPL and allene oxide synthase (AOS) activities towards the 13(S)-hydroperoxide of linoleic acids (13-HPOD). The 9-hydroperoxides were poor substrates for CYP74L1 and led to the production of mainly the α-ketols (AOS products) and minorities of HPL and epoxyalcohol synthase (EAS) products. The CYP74L2 possessed the AOS activity towards all tested hydroperoxides. CYP74L3 possessed low HPL/EAS activity. Besides, the aerial parts of S. moellendorffii plants possessed complex oxylipins patterns including divinyl ethers, epoxyalcohols, and 12-oxo-phytodienoic acid. Characterization of the CYP74L enzymes and oxylipin pattern updates the knowledge on the complex oxylipin biosynthetic machinery in the surviving oldest taxa of vascular plants.
Collapse
Affiliation(s)
- Yana Y Toporkova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia.
| | - Elena K Askarova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia
| | - Svetlana S Gorina
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia
| | - Lucia S Mukhtarova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia
| | - Alexander N Grechkin
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia.
| |
Collapse
|
47
|
Kawada K, Sasaki Y, Asami T, Yajima S, Ito S. Insect growth regulators with hydrazide moiety inhibit strigolactone biosynthesis in rice. JOURNAL OF PESTICIDE SCIENCE 2022; 47:43-46. [PMID: 35414758 PMCID: PMC8931560 DOI: 10.1584/jpestics.d21-063] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
Strigolactones (SLs) are carotenoid-derived plant hormones involved in several growth and developmental processes. Also, SLs are allelochemicals that induce the seed germination of root parasitic plants and the hyphal branching of arbuscular mycorrhizal fungi. In this study, to identify novel lead chemicals that inhibit SL biosynthesis, we evaluated the effect of agrochemicals on SL biosynthesis. We found that the diacylhydrazine insect growth regulator, chromafenozide, reduced the endogenous level of 4-deoxyorobanchol (4DO), a major SL in rice. Furthermore, treatment with the same class of insect growth regulator, methoxyfenozide, also resulted in the reduction of 4DO levels in rice root exudates. These results suggest that chromafenozide and methoxyfenozide are novel lead inhibitors of SL biosynthesis.
Collapse
Affiliation(s)
- Kojiro Kawada
- Department of Bioscience, Tokyo University of Agriculture, Setagaya, Tokyo 156–8502, Japan
| | - Yasuyuki Sasaki
- Department of Bioscience, Tokyo University of Agriculture, Setagaya, Tokyo 156–8502, Japan
| | - Tadao Asami
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113–8657, Japan
| | - Shunsuke Yajima
- Department of Bioscience, Tokyo University of Agriculture, Setagaya, Tokyo 156–8502, Japan
| | - Shinsaku Ito
- Department of Bioscience, Tokyo University of Agriculture, Setagaya, Tokyo 156–8502, Japan
| |
Collapse
|
48
|
Wakabayashi T, Ueno K, Sugimoto Y. Structure Elucidation and Biosynthesis of Orobanchol. FRONTIERS IN PLANT SCIENCE 2022; 13:835160. [PMID: 35222492 PMCID: PMC8863659 DOI: 10.3389/fpls.2022.835160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
Strigolactones (SLs), a class of phytohormones that regulate diverse developmental processes, were initially characterized as host-derived germination stimulants for seeds belonging to the genera Striga, Orobanche, and Phelipanche. Orobanchol (1), which is detected in the root exudates of several plants and recognized as a prevalent SL, was first isolated from the root exudates of red clover as a germination stimulant for Orobanche minor in 1998. However, the structure of this stimulant proposed at that time was disputable considering its predicted germination-inducing activity for Striga gesnerioides. The genuine structure of orobanchol was elucidated following a decade-long controversy, which ultimately facilitated the understanding of the importance of SL stereochemistry in Striga seed germination. Recently, studies focusing on clarifying the biosynthesis pathway of orobanchol are being conducted. Cytochrome P450 monooxygenases are involved in orobanchol biosynthesis downstream of carlactonoic acid (CLA) via two pathways: either through 4-deoxyorobanchol or direct conversion from CLA. Substantial progress in the identification of more SL structures and clarification of their biosynthetic mechanisms will further contribute in the comprehension of their structural diversity's functional importance and agricultural applications. Herein, we have reviewed the history leading to the discovery of the genuine structure of orobanchol and the current understanding of its biosynthetic mechanisms.
Collapse
Affiliation(s)
| | - Kotomi Ueno
- Faculty of Agriculture, Tottori University, Tottori, Japan
| | - Yukihiro Sugimoto
- Graduate School of Agricultural Science, Kobe University, Kobe, Japan
| |
Collapse
|
49
|
Marro N, Lidoy J, Chico MÁ, Rial C, García J, Varela RM, Macías FA, Pozo MJ, Janoušková M, López-Ráez JA. Strigolactones: New players in the nitrogen-phosphorus signalling interplay. PLANT, CELL & ENVIRONMENT 2022; 45:512-527. [PMID: 34719040 DOI: 10.1111/pce.14212] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 10/15/2021] [Accepted: 10/25/2021] [Indexed: 05/08/2023]
Abstract
Nitrogen (N) and phosphorus (P) are among the most important macronutrients for plant growth and development, and the most widely used as fertilizers. Understanding how plants sense and respond to N and P deficiency is essential to optimize and reduce the use of chemical fertilizers. Strigolactones (SLs) are phytohormones acting as modulators and sensors of plant responses to P deficiency. In the present work, we assess the potential role of SLs in N starvation and in the N-P signalling interplay. Physiological, transcriptional and metabolic responses were analysed in wild-type and SL-deficient tomato plants grown under different P and N regimes, and in plants treated with a short-term pulse of the synthetic SL analogue 2'-epi-GR24. The results evidence that plants prioritize N over P status by affecting SL biosynthesis. We also show that SLs modulate the expression of key regulatory genes of phosphate and nitrate signalling pathways, including the N-P integrators PHO2 and NIGT1/HHO. The results support a key role for SLs as sensors during early plant responses to both N and phosphate starvation and mediating the N-P signalling interplay, indicating that SLs are involved in more physiological processes than so far proposed.
Collapse
Affiliation(s)
- Nicolás Marro
- Department of Mycorrhizal Symbioses, Institute of Botany of the Czech Academy of Sciences, Průhonice, Czech Republic
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET, FCEFyN, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Javier Lidoy
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - María Ángeles Chico
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Carlos Rial
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (CeiA3), School of Science, University of Cádiz, Cádiz, Spain
| | - Juan García
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Rosa M Varela
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (CeiA3), School of Science, University of Cádiz, Cádiz, Spain
| | - Francisco A Macías
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (CeiA3), School of Science, University of Cádiz, Cádiz, Spain
| | - María J Pozo
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Martina Janoušková
- Department of Mycorrhizal Symbioses, Institute of Botany of the Czech Academy of Sciences, Průhonice, Czech Republic
| | - Juan A López-Ráez
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| |
Collapse
|
50
|
Kyozuka J, Nomura T, Shimamura M. Origins and evolution of the dual functions of strigolactones as rhizosphere signaling molecules and plant hormones. CURRENT OPINION IN PLANT BIOLOGY 2022; 65:102154. [PMID: 34923261 DOI: 10.1016/j.pbi.2021.102154] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 11/13/2021] [Accepted: 11/18/2021] [Indexed: 06/14/2023]
Abstract
Strigolactones (SLs) play roles as a class of plant hormones and rhizosphere signaling chemicals that induce hyphal branching of arbuscular mycorrhizal fungi and seed germination of parasitic plants. Therefore, SLs have dual functions. Recent progress in genome sequencing and genetic studies of bryophytes and algae has begun to shed light on the origin and evolution of these two functions of SLs.
Collapse
Affiliation(s)
- Junko Kyozuka
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan.
| | - Takahito Nomura
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan
| | - Masaki Shimamura
- Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
| |
Collapse
|