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Wang S, Sun X, Miao X, Mo F, Liu T, Chen Y. Genome-Wide Analysis and Expression Profiling of the Glutathione Peroxidase-like Enzyme Gene Family in Solanum tuberosum. Int J Mol Sci 2023; 24:11078. [PMID: 37446254 PMCID: PMC10342349 DOI: 10.3390/ijms241311078] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Glutathione peroxidase-like enzyme is an important enzymatic antioxidant in plants. It is involved in scavenging reactive oxygen species, which can effectively prevent oxidative damage and improve resistance. GPXL has been studied in many plants but has not been reported in potatoes, the world's fourth-largest food crop. This study identified eight StGPXL genes in potatoes for the first time through genome-wide bioinformatics analysis and further studied the expression patterns of these genes using qRT-PCR. The results showed that the expression of StGPXL1 was significantly upregulated under high-temperature stress, indicating its involvement in potato defense against high-temperature stress, while the expression levels of StGPXL4 and StGPXL5 were significantly downregulated. The expression of StGPXL1, StGPXL2, StGPXL3, and StGPXL6 was significantly upregulated under drought stress, indicating their involvement in potato defense against drought stress. After MeJA hormone treatment, the expression level of StGPXL6 was significantly upregulated, indicating its involvement in the chemical defense mechanism of potatoes. The expression of all StGPXL genes is inhibited under biotic stress, which indicates that GPXL is a multifunctional gene family, which may endow plants with resistance to various stresses. This study will help deepen the understanding of the function of the potato GPXL gene family, provide comprehensive information for the further analysis of the molecular function of the potato GPXL gene family as well as a theoretical basis for potato molecular breeding.
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Affiliation(s)
| | | | | | | | | | - Yue Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Xianyang 712100, China; (S.W.); (X.S.); (X.M.); (F.M.); (T.L.)
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2
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Achakkagari SR, Kyriakidou M, Tai HH, Anglin NL, Ellis D, Strömvik MV. Complete plastome assemblies from a panel of 13 diverse potato taxa. PLoS One 2020; 15:e0240124. [PMID: 33031462 PMCID: PMC7544113 DOI: 10.1371/journal.pone.0240124] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 09/20/2020] [Indexed: 01/24/2023] Open
Abstract
The chloroplasts are a crucial part of photosynthesizing plant cells and are extensively utilized in phylogenetic studies mainly due to their maternal inheritance. Characterization and analysis of complete plastome sequences is necessary to understand their diversity and evolutionary relationships. Here, a panel of thirteen plastomes from various potato taxa are presented. Though they are highly similar with respect to gene order and content, there is also a great extent of SNPs and InDels between them, with one of the Solanum bukasovii plastomes (BUK2) having the highest number of SNPs and InDels. Five different potato plastome types (C, S, A, W, W2) are present in the panel. Interestingly, the S. tuberosum subsp. tuberosum (TBR) accession has a W-type plastome, which is not commonly found in this species. The S-type plastome has a conserved 48 bp deletion not found in other types, which is responsible for the divergence of the S-type from the C-type plastome. Finally, a phylogenetic analysis shows that these plastomes cluster according to their types. Congruence between the nuclear genome and the plastome phylogeny of these accessions was seen, however with considerable differences, supporting the hypothesis of introgression and hybridization between potato species.
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Affiliation(s)
| | - Maria Kyriakidou
- Department of Plant Science, McGill University, Montreal, Canada
| | - Helen H. Tai
- Fredericton Research and Development Centre, Agriculture and Agri-Food Canada, Fredericton, Canada
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Gold KM, Townsend PA, Herrmann I, Gevens AJ. Investigating potato late blight physiological differences across potato cultivars with spectroscopy and machine learning. Plant Sci 2020; 295:110316. [PMID: 32534618 DOI: 10.1016/j.plantsci.2019.110316] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/10/2019] [Accepted: 10/14/2019] [Indexed: 06/11/2023]
Abstract
Understanding plant disease resistance is important in the integrated management of Phytophthora infestans, causal agent of potato late blight. Advanced field-based methods of disease detection that can identify infection before the onset of visual symptoms would improve management by greatly reducing disease potential and spread as well as improve both the financial and environmental sustainability of potato farms. In-vivo foliar spectroscopy offers the capacity to rapidly and non-destructively characterize plant physiological status, which can be used to detect the effects of necrotizing pathogens on plant condition prior to the appearance of visual symptoms. Here, we tested differences in spectral response of four potato cultivars, including two cultivars with a shared genotypic background except for a single copy of a resistance gene, to inoculation with Phytophthora infestans clonal lineage US-23 using three statistical approaches: random forest discrimination (RF), partial least squares discrimination analysis (PLS-DA), and normalized difference spectral index (NDSI). We find that cultivar, or plant genotype, has a significant impact on spectral reflectance of plants undergoing P. infestans infection. The spectral response of four potato cultivars to infection by Phytophthora infestans clonal lineage US-23 was highly variable, yet with important shared characteristics that facilitated discrimination. Early disease physiology was found to be variable across cultivars as well using non-destructively derived PLS-regression trait models. This work lays the foundation to better understand host-pathogen interactions across a variety of genotypic backgrounds, and establishes that host genotype has a significant impact on spectral reflectance, and hence on biochemical and physiological traits, of plants undergoing pathogen infection.
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Affiliation(s)
- Kaitlin M Gold
- University of Wisconsin-Madison, Department of Plant Pathology, United States.
| | - Philip A Townsend
- University of Wisconsin-Madison, Department of Forestry and Wildlife Ecology, United States
| | - Ittai Herrmann
- The Robert H. Smith Institute for Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 7610001, Israel
| | - Amanda J Gevens
- University of Wisconsin-Madison, Department of Plant Pathology, United States
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Sasaki T. Influence of anionic, neutral, and cationic polysaccharides on the in vitro digestibility of raw and gelatinized potato starch. J Sci Food Agric 2020; 100:2435-2442. [PMID: 31943226 DOI: 10.1002/jsfa.10259] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Polysaccharides have been expected to have a suppressive effect on starch digestibility by blending. The objective of this study was to investigate the effects of anionic (xanthan gum), neutral (guar gum), and cationic (chitosan) polysaccharides on the in vitro digestibility of raw and gelatinized starch using six potato cultivars differing in phosphorus content. RESULTS By comparing the starch digestibility between potato cultivars, a significant difference was observed for the raw starches, and 'Benimaru', which is a potato cultivar containing a higher proportion of short-chain amylopectin and the lowest phosphorus content in starch, showed a distinctly faster rate of starch hydrolysis. The added polysaccharides decreased the extent of digestion of both raw and gelatinized starches. No significant correlation between phosphorus content and the extent of starch digestion was observed in mixed systems, whereas significant correlations were noted between the extent of starch digestion and Rapid Visco Analyser parameters. The extent of raw and gelatinized starch digestion negatively correlated with pasting temperature, initial viscosity before heating, and peak viscosity (P < 0.01). CONCLUSION The added polysaccharides were observed to decrease the starch digestibility, and their suppressive effects were mainly dependent on the increase of viscosity rather than chemical interactions. A combination of potato cultivar and type of polysaccharide was proved to be important for nutritional value of potato starch. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Tomoko Sasaki
- Food Research Institute, National Agriculture and Food Research Organization, Tsukuba, Japan
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5
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Sun W, Ma Z, Chen H, Liu M. MYB Gene Family in Potato ( Solanum tuberosum L.): Genome-Wide Identification of Hormone-Responsive Reveals Their Potential Functions in Growth and Development. Int J Mol Sci 2019; 20:ijms20194847. [PMID: 31569557 PMCID: PMC6801432 DOI: 10.3390/ijms20194847] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/18/2019] [Accepted: 09/27/2019] [Indexed: 12/13/2022] Open
Abstract
As an important nongrain crop, the growth and yield of potato (Solanum tuberosum L.) is often affected by an unfavorable external environment in the process of cultivation. The MYB family is one of the largest and most important gene families, participating in the regulation of plant growth and development and response to abiotic stresses. Several MYB genes in potato that regulate anthocyanin synthesis and participate in abiotic stress responses have been identified. To identify all Solanum tuberosum L. MYB (StMYB) genes involved in hormone or stress responses to potentially regulate potato growth and development, we identified the MYB gene family at the genome-wide level. In this work, 158 StMYB genes were found in the potato genome. According to the amino acid sequence of the MYB domain and gene structure, the StMYB genes were divided into R2R3-MYB and R1R2R3-MYB families, and the R2R3-MYB family was divided into 20 subgroups (SGs). The expression of 21 StMYB genes from different SGs in roots, stems, leaves, flowers, shoots, stolons, young tubers, and mature tubers was determined by quantitative real-time polymerase chain reaction (qRT-PCR). The expression patterns of StMYB genes in potatoes treated with abscisic acid (ABA), indole-3-acetic acid (IAA), gibberellin acid 3 (GA3), NaCl, mannitol, and heat were also measured. We have identified several potential candidate genes that regulate the synthesis of potato flavonoids or participate in hormone or stress responses. This work provides a comprehensive understanding of the MYB family in potato and will lay a foundation for the future investigation of the potential functions of StMYB genes in the growth and development of potato.
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Affiliation(s)
- Wenjun Sun
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Zhaotang Ma
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Hui Chen
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Moyang Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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Claassen C, Kuballa J, Rohn S. Metabolomics-Based Approach for the Discrimination of Potato Varieties ( Solanum tuberosum) using UPLC-IMS-QToF. J Agric Food Chem 2019; 67:5700-5709. [PMID: 31002513 DOI: 10.1021/acs.jafc.9b00411] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
One hundred eighty-two authentic potato samples ( Solanum tuberosum) of known variety were collected from various German regions in 2016 and 2017. Samples were extracted with a liquid-liquid-extraction protocol that included isopropanol, methanol, and water in order to focus on lipophilic metabolites. The analysis of nonpolar extracts was performed using an UPLC-IMS-QToF-MS system; data sets obtained were evaluated via multivariate data analysis. A selection of 14 key metabolites with a significant difference in their abundance profiles was identified. This set of markers contained four hydroxylated glucocerebrosides, two phosphoinositols, one phosphocholine, and seven acylated sterol glucosides based on stigmasterol and β-sitosterol, which primarily enable the varietal discrimination. Fragments and neutral losses commonly appearing within one class or subclass of lipids were summarized within a new database that included ion mobility data. The performance of the approach was verified with twenty-nine commercial potato samples.
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Affiliation(s)
- Christin Claassen
- GALAB Laboratories GmbH, Research and Development , Am Schleusengraben 7 , 21029 Hamburg , Germany
- Hamburg School of Food Science, Institute of Food Chemistry , University of Hamburg , Grindelallee 117 , 20146 Hamburg , Germany
| | - Jürgen Kuballa
- GALAB Laboratories GmbH, Research and Development , Am Schleusengraben 7 , 21029 Hamburg , Germany
| | - Sascha Rohn
- Hamburg School of Food Science, Institute of Food Chemistry , University of Hamburg , Grindelallee 117 , 20146 Hamburg , Germany
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7
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Dastmalchi K, Perez Rodriguez M, Lin J, Yoo B, Stark RE. Temporal resistance of potato tubers: Antibacterial assays and metabolite profiling of wound-healing tissue extracts from contrasting cultivars. Phytochemistry 2019; 159:75-89. [PMID: 30597374 PMCID: PMC6555484 DOI: 10.1016/j.phytochem.2018.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 11/27/2018] [Accepted: 12/14/2018] [Indexed: 05/29/2023]
Abstract
Solanum tuberosum, commonly known as the potato, is a worldwide food staple. During harvest, storage, and distribution the crop is at risk of mechanical damage. Wounding of the tuber skin can also become a point of entry for bacterial and fungal pathogens, resulting in substantial agricultural losses. Building on the proposal that potato tubers produce metabolites to defend against microbial infection during early stages of wound healing before protective suberized periderm tissues have developed, we assessed extracts of wound tissues from four potato cultivars with differing skin morphologies (Norkotah Russet, Atlantic, Chipeta, and Yukon Gold). These assays were conducted at 0, 1, 2, 3 and 7 days post wounding against the plant pathogen Erwinia carotovora and a non-pathogenic Escherichia coli strain that served as a control. For each of the potato cultivars, only polar wound tissue extracts demonstrated antibacterial activity. The polar extracts from earlier wound-healing time points (days 0, 1 and 2) displayed notably higher antibacterial activity against both strains than the later wound-healing stages (days 3 and 7). These results support a burst of antibacterial activity at early time points. Parallel metabolite profiling of the extracts revealed differences in chemical composition at different wound-healing time points and allowed for identification of potential marker compounds according to healing stage for each of the cultivars. It was possible to monitor the transformations in the metabolite profiles that could account for the phenomenon of temporal resistance by looking at the relative quantities of various metabolite classes as a function of time.
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Affiliation(s)
- Keyvan Dastmalchi
- Department of Chemistry and Biochemistry, The City College of New York, City University of New York and CUNY Institute for Macromolecular Assemblies, New York, NY 10031, USA
| | - Mathiu Perez Rodriguez
- Department of Chemistry and Biochemistry, The City College of New York, City University of New York and CUNY Institute for Macromolecular Assemblies, New York, NY 10031, USA
| | - Janni Lin
- Department of Chemistry and Biochemistry, The City College of New York, City University of New York and CUNY Institute for Macromolecular Assemblies, New York, NY 10031, USA
| | - Barney Yoo
- Department of Chemistry, Hunter College of CUNY, New York, NY 10065, USA
| | - Ruth E Stark
- Department of Chemistry and Biochemistry, The City College of New York, City University of New York and CUNY Institute for Macromolecular Assemblies, New York, NY 10031, USA; Ph.D. Program in Chemistry, CUNY Graduate Center, New York, NY 10016, USA; Ph.D. Program in Biochemistry, CUNY Graduate Center, New York, NY 10016, USA.
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8
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Mouzo D, López-Pedrouso M, Bernal J, García L, Franco D, Zapata C. Association of Patatin-Based Proteomic Distances with Potato ( Solanum tuberosum L.) Quality Traits. J Agric Food Chem 2018; 66:11864-11872. [PMID: 30350976 DOI: 10.1021/acs.jafc.8b03203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Patatin is the major tuber storage protein constituted by multiple isoforms highly variable across potato ( S. tuberosum) varieties. Here, we report a first association study of the variability of patatin isoforms between cultivars with their differences in tuber quality traits. Patatin-based proteomic distances were assessed between 15 table and/or processing potato cultivars from profiles of patatin obtained by two-dimensional electrophoresis. The content of ash, dry matter, reducing sugars, starch, total protein, and amino acid composition was also evaluated in tubers of each cultivar. Results showed that proteomic distances were significantly ( P < 0.05) associated with differences in the content of ash, dry matter, and essential amino acids. Proteomic distances were also able to identify outlier cultivars regarding the content of dry matter, content of protein, and protein quality. In conclusion, patatin-based proteomic distances can shorten the screening and selection processes of potato cultivars with advantageous characteristics in molecular breeding.
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Affiliation(s)
- Daniel Mouzo
- Department of Zoology, Genetics and Physical Anthropology , University of Santiago de Compostela , Santiago de Compostela 15782 , Spain
| | - María López-Pedrouso
- Department of Zoology, Genetics and Physical Anthropology , University of Santiago de Compostela , Santiago de Compostela 15782 , Spain
| | - Javier Bernal
- Department of Zoology, Genetics and Physical Anthropology , University of Santiago de Compostela , Santiago de Compostela 15782 , Spain
| | - Lucio García
- Meat Technology Center of Galicia, r/Galicia 4 , Parque Tecnolóxico de Galicia , San Cibrao das Viñas , Ourense 32900 , Spain
| | - Daniel Franco
- Meat Technology Center of Galicia, r/Galicia 4 , Parque Tecnolóxico de Galicia , San Cibrao das Viñas , Ourense 32900 , Spain
| | - Carlos Zapata
- Department of Zoology, Genetics and Physical Anthropology , University of Santiago de Compostela , Santiago de Compostela 15782 , Spain
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Inostroza-Blancheteau C, de Oliveira Silva FM, Durán F, Solano J, Obata T, Machado M, Fernie AR, Reyes-Díaz M, Nunes-Nesi A. Metabolic diversity in tuber tissues of native Chiloé potatoes and commercial cultivars of Solanum tuberosum ssp. tuberosum L. Metabolomics 2018; 14:138. [PMID: 30830417 DOI: 10.1007/s11306-018-1428-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 09/08/2018] [Indexed: 10/28/2022]
Abstract
INTRODUCTION The native potatoes (Solanum tuberosum ssp. tuberosum L.) cultivated on Chiloé Island in southern Chile have great variability in terms of tuber shape, size, color and flavor. These traits have been preserved throughout generations due to the geographical position of Chiloé, as well as the different uses given by local farmers. OBJECTIVES The present study aimed to investigate the diversity of metabolites in skin and pulp tissues of eleven native accessions of potatoes from Chile, and evaluate the metabolite associations between tuber tissues. METHODS For a deeper characterization of these accessions, we performed a comprehensive metabolic study in skin and pulp tissues of tubers, 3 months after harvesting. Specific targeted quantification of metabolites using 96 well microplates, and high-performance liquid chromatography combined with non-targeted metabolite profiling by gas chromatography time-of-flight mass spectrometry were used in this study. RESULTS We observed differential levels of antioxidant activity and phenolic compounds between skin and pulp compared to a common commercial cultivar (Desireé). In addition, we uncovered considerable metabolite variability between different tuber tissues and between native potatoes. Network correlation analysis revealed different metabolite associations among tuber tissues that indicate distinct associations between primary metabolite and anthocyanin levels, and antioxidant activity in skin and pulp tissues. Moreover, multivariate analysis lead to the grouping of native and commercial cultivars based on metabolites from both skin and pulp tissues. CONCLUSIONS As well as providing important information to potato producers and breeding programs on the levels of health relevant phytochemicals and other abundant metabolites such as starch, proteins and amino acids, this study highlights the associations of different metabolites in tuber skins and pulp, indicating the need for distinct strategies for metabolic engineering in these tissues. Furthermore, this study shows that native Chilean potato accessions have great potential as a natural source of phytochemicals.
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Affiliation(s)
- Claudio Inostroza-Blancheteau
- Núcleo de Investigación en Producción Alimentaría (NIPA-UCT), Universidad Católica de Temuco, P.O. Box 56-D, Temuco, Chile.
- Departamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, P.O. Box 56-D, Temuco, Chile.
| | | | - Fabiola Durán
- Departamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, P.O. Box 56-D, Temuco, Chile
| | - Jaime Solano
- Departamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, P.O. Box 56-D, Temuco, Chile
| | - Toshihiro Obata
- Central Metabolism Group, Max Planck Institute of Molecular Plant Physiology, Am Muehlenberg 1, 14476, Potsdam-Golm, Germany
| | - Mariana Machado
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa-Minas Gerais, Brazil
| | - Alisdair R Fernie
- Central Metabolism Group, Max Planck Institute of Molecular Plant Physiology, Am Muehlenberg 1, 14476, Potsdam-Golm, Germany
| | - Marjorie Reyes-Díaz
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, P.O. Box 54-D, Temuco, Chile
- Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, P.O. Box 54-D, Temuco, Chile
| | - Adriano Nunes-Nesi
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, 36570-900, Viçosa-Minas Gerais, Brazil.
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10
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Yellareddygari SKR, Brown CR, Whitworth JL, Quick RA, Hamlin LL, Gudmestad NC. Assessing Potato Cultivar Sensitivity to Tuber Necrosis Caused by Tobacco rattle virus. Plant Dis 2018; 102:1376-1385. [PMID: 30673576 DOI: 10.1094/pdis-12-17-1918-re] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Tobacco rattle virus (TRV) causes the economically important corky ring spot disease in potato. Chemical control is difficult due to the soilborne nature of the TRV-transmitting nematode vector, and identifying natural host resistance against TRV is considered to be the optimal control measure. The present study investigated the sensitivity of 63 cultivars representing all market types (evaluated at North Dakota and Washington over 2 years) for the incidence of TRV-induced tuber necrosis and severity. This article also investigates the cultivar-location interaction (using a mixed-effects model) for TRV-induced necrosis. TRV-induced tuber necrosis (P < 0.0001) and severity (P < 0.0001) were significantly different among cultivars evaluated separately in North Dakota and Washington trials. Mixed-effects model results of pooled data (North Dakota and Washington) demonstrated that the interaction of cultivar and location had a significant effect (P = 0.03) on TRV-induced necrosis. Based on the virus-induced tuber necrosis data from both years and locations, cultivars were categorized into sensitive, moderately sensitive, insensitive, and moderately insensitive groups. Based on data from North Dakota, 10 cultivars, including Bintje, Centennial Russet, Ciklamen, Gala, Lelah, Oneida Gold, POR06V12-3, Rio Colorado, Russian Banana, and Superior, were rated as insensitive to TRV-induced tuber necrosis. Similar trials assessing TRV sensitivity among cultivars conducted in Washington resulted in a number of differences in sensitivity rankings compared with North Dakota trials. A substantial shift in sensitivity of some potato cultivars to TRV-induced tuber necrosis was observed between the two locations. Four cultivars (Centennial Russet, Oneida Gold, Russian Banana, and Superior) ranked as insensitive for North Dakota trials were ranked as sensitive for Washington trials. These results can assist the potato industry in making cultivar choices to reduce the economic impact of TRV-induced tuber necrosis.
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Affiliation(s)
| | - Charles R Brown
- United States Department of Agriculture Agricultural Research Service (USDA-ARS), Prosser, WA, 99350
| | | | | | - Launa L Hamlin
- Irrigated Agriculture Research and Extension Center, Washington State University, Prosser 99350
| | - Neil C Gudmestad
- Department of Plant Pathology, North Dakota State University, Fargo
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11
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Zhang C, Zhang L, Wang D, Ma H, Liu B, Shi Z, Ma X, Chen Y, Chen Q. Evolutionary History of the Glycoside Hydrolase 3 (GH3) Family Based on the Sequenced Genomes of 48 Plants and Identification of Jasmonic Acid-Related GH3 Proteins in Solanum tuberosum. Int J Mol Sci 2018; 19:ijms19071850. [PMID: 29937487 PMCID: PMC6073592 DOI: 10.3390/ijms19071850] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 06/01/2018] [Accepted: 06/19/2018] [Indexed: 12/20/2022] Open
Abstract
Glycoside Hydrolase 3 (GH3) is a phytohormone-responsive family of proteins found in many plant species. These proteins contribute to the biological activity of indolacetic acid (IAA), jasmonic acid (JA), and salicylic acid (SA). They also affect plant growth and developmental processes as well as some types of stress. In this study, GH3 genes were identified in 48 plant species, including algae, mosses, ferns, gymnosperms, and angiosperms. No GH3 representative protein was found in algae, but we identified 4 genes in mosses, 19 in ferns, 7 in gymnosperms, and several in angiosperms. The results showed that GH3 proteins are mainly present in seed plants. Phylogenetic analysis of all GH3 proteins showed three separate clades. Group I was related to JA adenylation, group II was related to IAA adenylation, and group III was separated from group II, but its function was not clear. The structure of the GH3 proteins indicated highly conserved sequences in the plant kingdom. The analysis of JA adenylation in relation to gene expression of GH3 in potato (Solanum tuberosum) showed that StGH3.12 greatly responded to methyl jasmonate (MeJA) treatment. The expression levels of StGH3.1, StGH3.11, and StGH3.12 were higher in the potato flowers, and StGH3.11 expression was also higher in the stolon. Our research revealed the evolution of the GH3 family, which is useful for studying the precise function of GH3 proteins related to JA adenylation in S. tuberosum when the plants are developing and under biotic stress.
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Affiliation(s)
- Chao Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Leilei Zhang
- College of Agronomy, Liaocheng University, Liaocheng 252059, Shandong, China.
| | - Dongdong Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Haoli Ma
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Bailin Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Zheng Shi
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Xiaohui Ma
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Yue Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Qin Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
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12
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Deperi SI, Tagliotti ME, Bedogni MC, Manrique-Carpintero NC, Coombs J, Zhang R, Douches D, Huarte MA. Discriminant analysis of principal components and pedigree assessment of genetic diversity and population structure in a tetraploid potato panel using SNPs. PLoS One 2018; 13:e0194398. [PMID: 29547652 PMCID: PMC5856401 DOI: 10.1371/journal.pone.0194398] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 03/03/2018] [Indexed: 12/03/2022] Open
Abstract
The reported narrow genetic base of cultivated potato (Solanum tuberosum) can be expanded by the introgression of many related species with large genetic diversity. The analysis of the genetic structure of a potato population is important to broaden the genetic base of breeding programs by the identification of different genetic pools. A panel composed by 231 diverse genotypes was characterized using single nucleotide polymorphism (SNP) markers of the Illumina Infinium Potato SNP Array V2 to identify population structure and assess genetic diversity using discriminant analysis of principal components (DAPC) and pedigree analysis. Results revealed the presence of five clusters within the populations differentiated principally by ploidy, taxonomy, origin and breeding program. The information obtained in this work could be readily used as a guide for parental introduction in new breeding programs that want to maximize variability by combination of contrasting variability sources such as those presented here.
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Affiliation(s)
- Sofía. I. Deperi
- National Research Council of Argentina (CONICET), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
- * E-mail: (SID); (MAH)
| | - Martín. E. Tagliotti
- National Research Council of Argentina (CONICET), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - M. Cecilia Bedogni
- National Institute for Agricultural Technology (INTA), EEA INTA Balcarce, Balcarce, Buenos Aires, Argentina
| | | | - Joseph Coombs
- Michigan State University, East Lansing, Michigan, United States
| | - Ruofang Zhang
- Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - David Douches
- Michigan State University, East Lansing, Michigan, United States
| | - Marcelo. A. Huarte
- National Institute for Agricultural Technology (INTA), EEA INTA Balcarce, Balcarce, Buenos Aires, Argentina
- * E-mail: (SID); (MAH)
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13
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Mondal S, Wenninger EJ, Hutchinson PJS, Whitworth JL, Shrestha D, Eigenbrode SD, Bosque-Pérez NA, Snyder WE. Responses of Aphid Vectors of Potato leaf roll virus to Potato Varieties. Plant Dis 2017; 101:1812-1818. [PMID: 30676926 DOI: 10.1094/pdis-12-16-1811-re] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Potato leaf roll virus (PLRV) can reduce tuber yield and quality in potato. Green peach aphid (Myzus persicae [Sulzer]) and potato aphid (Macrosiphum euphorbiae [Thomas]) are the two most important potato-colonizing PLRV vectors in the Pacific Northwest. We compared My. persicae and Ma. euphorbiae densities and PLRV incidences among potato varieties in the field to clarify the relationships between aphid abundance and PLRV incidence in plants. Aphids were sampled weekly over three years in the potato varieties Russet Burbank, Ranger Russet, and Russet Norkotah in a replicated field trial. In all years, My. persicae was more abundant than Ma. euphorbiae, representing at least 97% of samples. My. persicae densities did not differ among potato varieties across years; very low numbers of Ma. euphorbiae precluded such statistical comparisons for this species. PLRV infection did not differ significantly among potato varieties, although the percent of PLRV-infected plants differed among years when all varieties were combined (46% in 2013, 29% in 2011, 13% in 2012). For Ranger Russet and Russet Norkotah, PLRV incidence was positively correlated with aphid abundance as well as proportion of PLRV-positive aphids. In Russet Burbank, only aphid abundance was positively correlated with PLRV infection. Our results suggest that the three most commonly grown potato varieties in our region do not differ in their susceptibility to PLRV infection, and that aphid density was a consistent indicator of the risk of infection by this virus across varieties. Both of these findings can be used to hone PLRV monitoring and modeling efforts.
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Affiliation(s)
- Shaonpius Mondal
- Department of Plant, Soil, and Entomological Sciences, University of Idaho, Aberdeen Research & Extension Center, Aberdeen, ID 83210
| | - Erik J Wenninger
- Department of Plant, Soil, and Entomological Sciences, University of Idaho, Kimberly Research & Extension Center, Kimberly, ID 83341-5082
| | - Pamela J S Hutchinson
- Department of Plant, Soil, and Entomological Sciences, University of Idaho, Aberdeen Research & Extension Center, Aberdeen, ID 83210
| | | | - Deepak Shrestha
- Department of Plant, Soil, and Entomological Sciences, University of Idaho, Aberdeen Research & Extension Center, Aberdeen, ID 83210
| | - Sanford D Eigenbrode
- Department of Plant, Soil, and Entomological Sciences, University of Idaho, Moscow, ID 83844-2339
| | - Nilsa A Bosque-Pérez
- Department of Plant, Soil, and Entomological Sciences, University of Idaho, Moscow, ID 83844-2339
| | - William E Snyder
- Department of Entomology, Washington State University, Pullman, WA 99164-6382
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Huang W, Serra O, Dastmalchi K, Jin L, Yang L, Stark RE. Comprehensive MS and Solid-State NMR Metabolomic Profiling Reveals Molecular Variations in Native Periderms from Four Solanum tuberosum Potato Cultivars. J Agric Food Chem 2017; 65:2258-2274. [PMID: 28215068 DOI: 10.1021/acs.jafc.6b05179] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The potato (Solanum tuberosum L.) ranks third in worldwide consumption among food crops. Whereas disposal of potato peels poses significant challenges for the food industry, secondary metabolites in these tissues are also bioactive and essential to crop development. The diverse primary and secondary metabolites reported in whole tubers and wound-healing tissues prompted a comprehensive profiling study of native periderms from four cultivars with distinctive skin morphologies and commercial food uses. Polar and nonpolar soluble metabolites were extracted concurrently, analyzed chromatographically, and characterized with mass spectrometry; the corresponding solid interfacial polymeric residue was examined by solid-state 13C NMR. In total, 112 secondary metabolites were found in the phellem tissues; multivariate analysis identified 10 polar and 30 nonpolar potential biomarkers that distinguish a single cultivar among Norkotah Russet, Atlantic, Chipeta, and Yukon Gold cultivars which have contrasting russeting features. Compositional trends are interpreted in the context of periderm protective function.
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Affiliation(s)
- Wenlin Huang
- Department of Chemistry and Biochemistry, The City College of New York , City University of New York Ph.D. Programs in Chemistry and Biochemistry, and CUNY Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Olga Serra
- Laboratori del Suro, Departament de Biologia, University of Girona , Campus Montilivi s/n, Girona, E-17071 Spain
| | - Keyvan Dastmalchi
- Department of Chemistry and Biochemistry, The City College of New York , City University of New York Ph.D. Programs in Chemistry and Biochemistry, and CUNY Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Liqing Jin
- Department of Chemistry and Biochemistry, The City College of New York , City University of New York Ph.D. Programs in Chemistry and Biochemistry, and CUNY Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Lijia Yang
- Department of Chemistry and Biochemistry, The City College of New York , City University of New York Ph.D. Programs in Chemistry and Biochemistry, and CUNY Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Ruth E Stark
- Department of Chemistry and Biochemistry, The City College of New York , City University of New York Ph.D. Programs in Chemistry and Biochemistry, and CUNY Institute for Macromolecular Assemblies, New York, New York 10031, United States
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15
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Berdugo-Cely J, Valbuena RI, Sánchez-Betancourt E, Barrero LS, Yockteng R. Genetic diversity and association mapping in the Colombian Central Collection of Solanum tuberosum L. Andigenum group using SNPs markers. PLoS One 2017; 12:e0173039. [PMID: 28257509 PMCID: PMC5336250 DOI: 10.1371/journal.pone.0173039] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Accepted: 02/14/2017] [Indexed: 01/03/2023] Open
Abstract
The potato (Solanum tuberosum L.) is the fourth most important crop food in the world and Colombia has one of the most important collections of potato germplasm in the world (the Colombian Central Collection-CCC). Little is known about its potential as a source of genetic diversity for molecular breeding programs. In this study, we analyzed 809 Andigenum group accessions from the CCC using 5968 SNPs to determine: 1) the genetic diversity and population structure of the Andigenum germplasm and 2) the usefulness of this collection to map qualitative traits across the potato genome. The genetic structure analysis based on principal components, cluster analyses, and Bayesian inference revealed that the CCC can be subdivided into two main groups associated with their ploidy level: Phureja (diploid) and Andigena (tetraploid). The Andigena population was more genetically diverse but less genetically substructured than the Phureja population (three vs. five subpopulations, respectively). The association mapping analysis of qualitative morphological data using 4666 SNPs showed 23 markers significantly associated with nine morphological traits. The present study showed that the CCC is a highly diverse germplasm collection genetically and phenotypically, useful to implement association mapping in order to identify genes related to traits of interest and to assist future potato genetic breeding programs.
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Affiliation(s)
- Jhon Berdugo-Cely
- Colombian Agricultural Research Corporation (CORPOICA)-Mosquera, Cundinamarca, Colombia
| | - Raúl Iván Valbuena
- Colombian Agricultural Research Corporation (CORPOICA)-Mosquera, Cundinamarca, Colombia
| | | | - Luz Stella Barrero
- Colombian Agricultural Research Corporation (CORPOICA)-Mosquera, Cundinamarca, Colombia
| | - Roxana Yockteng
- Colombian Agricultural Research Corporation (CORPOICA)-Mosquera, Cundinamarca, Colombia
- Muséum National d’Histoire Naturelle, UMR-CNRS 7205, Paris, France
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16
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Sharma V, Singh B, Raigond P, Kaushik SK. Role of invertase activity in processing quality of potatoes: Effect of storage temperature and duration. J Environ Biol 2016; 37:239-245. [PMID: 27097443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Invertase activity and processing attributes of three potato cultivars were studied to find the reason for deterioration of processing quality during their prolonged storage in commercial cold stores (4°C) as compared to elevated temperature storage (12 ± 0.5°C), with CIPC {Isopropyl-N-(3-Cholorophenyl) carbamate}. Lower storage temperature (4°C) tended to be more effective in increasing invertase activity of potato tubers than elevated temperature. Non-processing cultivar viz., Kufri Pukhraj resulted in accumulation of more invertase activity than relatively two processing cultivars. Kufri Chipsona-1 and Kufri Chipsona-3 at 12 ± 0.5°C possessed basal invertase activity ranging from 39.3 to 79.8 and 54.1 to 93.8 (pmoles hexose h⁻¹ g⁻¹ f.wt.) respectively, during two years. Total invertase activity at 4°C increased abruptly and remained high from 30 to 60 days of storage. The activity progressively reached 90.6 to 106.6 and 81.4 to 101.3 during both the years respectively, after 60 days of storage to that observed initially. Reducing sugar content increased from 23.3 to 105.7 and 389.0 to 1138.2 (mg 100g⁻¹ f.wt.) after 90 days of storage at 12 ± 0.5°C and 4°C, respectively. Studies concluded that basal and total invertase, were responsible for cold-induced sweetening and resulted in deterioration of processing quality of potatoes during storage at 4°C. Since this activity is low at 12 ± 0.5°C, the processing traits remained acceptable to industry and consumers.
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17
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Yang Y, Achaerandio I, Pujolà M. Classification of potato cultivars to establish their processing aptitude. J Sci Food Agric 2016; 96:413-421. [PMID: 25615522 DOI: 10.1002/jsfa.7104] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 01/16/2015] [Accepted: 01/16/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND The commercial potato cultivars are diverse not only in their physical characteristics but also in their nutritional compositions and their content of functional compounds (resistant starch, total phenolic content and antioxidant activity), but there is little information about these differences. The aim of this study was to characterise the nutritional value (focusing on carbohydrates and functional compounds) and instrumental parameters of eight potato cultivars consumed in Spain and to determine whether these parameters are useful for classifying the cultivars. RESULTS Significant Pearson's correlations were found due to the common and complex interactions between the constituents of potatoes and their properties (P < 0.05). Principal component analysis revealed the correlations among the physicochemical properties, and the first two principal components explained 56.84% of the variance among the cultivars studied. CONCLUSION The eight cultivars could be classified into three groups: (1) Red Pontiac, Caesar, Kennebec, Agria and Cherie cultivars, (2) Agata and Monalisa cultivars and (3) Spirit cultivar. The results demonstrated that certain nutritional and functional parameters indicated the potential efficacy of different cultivars to satisfy the nutritional needs of consumers, improving the knowledge on the biochemical basis of potato processing to obtain higher-quality products.
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Affiliation(s)
- Yali Yang
- Department d'Enginyeria Agroalimentària i Biotecnologia, Escola Superior d'Agricultura de Barcelona, Universitat Politècnica de Catalunya Barcelona Tech, Barcelona, Spain
| | - Isabel Achaerandio
- Department d'Enginyeria Agroalimentària i Biotecnologia, Escola Superior d'Agricultura de Barcelona, Universitat Politècnica de Catalunya Barcelona Tech, Barcelona, Spain
| | - Montserrat Pujolà
- Department d'Enginyeria Agroalimentària i Biotecnologia, Escola Superior d'Agricultura de Barcelona, Universitat Politècnica de Catalunya Barcelona Tech, Barcelona, Spain
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18
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Khiutti A, Spooner DM, Jansky SH, Halterman DA. Testing Taxonomic Predictivity of Foliar and Tuber Resistance to Phytophthora infestans in Wild Relatives of Potato. Phytopathology 2015; 105:1198-205. [PMID: 25871860 DOI: 10.1094/phyto-02-15-0046-r] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Potato late blight, caused by the oomycete phytopathogen Phytophthora infestans, is a devastating disease found in potato-growing regions worldwide. Long-term management strategies to control late blight include the incorporation of host resistance to predominant strains. However, due to rapid genetic changes within pathogen populations, rapid and recurring identification and integration of novel host resistance traits is necessary. Wild relatives of potato offer a rich source of desirable traits, including late blight resistance, but screening methods can be time intensive. We tested the ability of taxonomy, ploidy, crossing group, breeding system, and geography to predict the presence of foliar and tuber late blight resistance in wild Solanum spp. Significant variation for resistance to both tuber and foliar late blight was found within and among species but there was no discernable predictive power based on taxonomic series, clade, ploidy, breeding system, elevation, or geographic location. We observed a moderate but significant correlation between tuber and foliar resistance within species. Although previously uncharacterized sources of both foliar and tuber resistance were identified, our study does not support an assumption that taxonomic or geographic data can be used to predict sources of late blight resistance in wild Solanum spp.
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Affiliation(s)
- A Khiutti
- First author: All-Russian Institute for Plant Protection, Laboratory of Plant Immunity to Diseases, 3, Podbelsky shosse, St. Petersburg-Pushkin, 196608, Russia; second, third, and fourth authors: United States Department of Agriculture-Agricultural Research Service, Madison, WI, 53726; and second and third authors: Department of Horticulture, University of Wisconsin, Madison 53706
| | - D M Spooner
- First author: All-Russian Institute for Plant Protection, Laboratory of Plant Immunity to Diseases, 3, Podbelsky shosse, St. Petersburg-Pushkin, 196608, Russia; second, third, and fourth authors: United States Department of Agriculture-Agricultural Research Service, Madison, WI, 53726; and second and third authors: Department of Horticulture, University of Wisconsin, Madison 53706
| | - S H Jansky
- First author: All-Russian Institute for Plant Protection, Laboratory of Plant Immunity to Diseases, 3, Podbelsky shosse, St. Petersburg-Pushkin, 196608, Russia; second, third, and fourth authors: United States Department of Agriculture-Agricultural Research Service, Madison, WI, 53726; and second and third authors: Department of Horticulture, University of Wisconsin, Madison 53706
| | - D A Halterman
- First author: All-Russian Institute for Plant Protection, Laboratory of Plant Immunity to Diseases, 3, Podbelsky shosse, St. Petersburg-Pushkin, 196608, Russia; second, third, and fourth authors: United States Department of Agriculture-Agricultural Research Service, Madison, WI, 53726; and second and third authors: Department of Horticulture, University of Wisconsin, Madison 53706
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19
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Dastmalchi K, Kallash L, Wang I, Phan VC, Huang W, Serra O, Stark RE. Defensive Armor of Potato Tubers: Nonpolar Metabolite Profiling, Antioxidant Assessment, and Solid-State NMR Compositional Analysis of Suberin-Enriched Wound-Healing Tissues. J Agric Food Chem 2015; 63:6810-22. [PMID: 26166447 PMCID: PMC4857770 DOI: 10.1021/acs.jafc.5b03206] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The cultivation, storage, and distribution of potato tubers are compromised by mechanical damage and suboptimal healing. To investigate wound-healing progress in cultivars with contrasting russeting patterns, metabolite profiles reported previously for polar tissue extracts were complemented by GC/MS measurements for nonpolar extracts and quantitative (13)C NMR of interfacial solid suspensions. Potential marker compounds that distinguish cultivar type and wound-healing time point included fatty acids, fatty alcohols, alkanes, glyceryl esters, α,ω-fatty diacids, and hydroxyfatty acids. The abundant long-chain fatty acids in nonpolar extracts and solids from the smooth-skinned Yukon Gold cultivar suggested extensive suberin biopolymer formation; this hypothesis was supported by high proportions of arenes, alkenes, and carbonyl groups in the solid and among the polar markers. The absence of many potential marker classes in nonpolar Atlantic extracts and interfacial solids suggested a limited extent of suberization. Modest scavenging activities of all nonpolar extracts indicate that the majority of antioxidants produced in response to wounding are polar.
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Affiliation(s)
- Keyvan Dastmalchi
- Department of Chemistry, The City College of New York, City University of New York Graduate Center and Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Linda Kallash
- Department of Chemistry, The City College of New York, City University of New York Graduate Center and Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Isabel Wang
- Department of Chemistry, The City College of New York, City University of New York Graduate Center and Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Van C. Phan
- Department of Natural Sciences, Hostos Community College, 500 Grand Concourse, Bronx, New York 10451, United States
| | - Wenlin Huang
- Department of Chemistry, The City College of New York, City University of New York Graduate Center and Institute for Macromolecular Assemblies, New York, New York 10031, United States
| | - Olga Serra
- Laboratori del Suro, Departament de Biologia, Facultat de Ciències, University of Girona, Campus Montilivi s/n, Girona, E-17071 Spain
| | - Ruth E. Stark
- Department of Chemistry, The City College of New York, City University of New York Graduate Center and Institute for Macromolecular Assemblies, New York, New York 10031, United States
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Aversano R, Contaldi F, Ercolano MR, Grosso V, Iorizzo M, Tatino F, Xumerle L, Dal Molin A, Avanzato C, Ferrarini A, Delledonne M, Sanseverino W, Cigliano RA, Capella-Gutierrez S, Gabaldón T, Frusciante L, Bradeen JM, Carputo D. The Solanum commersonii Genome Sequence Provides Insights into Adaptation to Stress Conditions and Genome Evolution of Wild Potato Relatives. Plant Cell 2015; 27:954-68. [PMID: 25873387 PMCID: PMC4558694 DOI: 10.1105/tpc.114.135954] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Accepted: 04/01/2015] [Indexed: 05/02/2023]
Abstract
Here, we report the draft genome sequence of Solanum commersonii, which consists of ∼830 megabases with an N50 of 44,303 bp anchored to 12 chromosomes, using the potato (Solanum tuberosum) genome sequence as a reference. Compared with potato, S. commersonii shows a striking reduction in heterozygosity (1.5% versus 53 to 59%), and differences in genome sizes were mainly due to variations in intergenic sequence length. Gene annotation by ab initio prediction supported by RNA-seq data produced a catalog of 1703 predicted microRNAs, 18,882 long noncoding RNAs of which 20% are shown to target cold-responsive genes, and 39,290 protein-coding genes with a significant repertoire of nonredundant nucleotide binding site-encoding genes and 126 cold-related genes that are lacking in S. tuberosum. Phylogenetic analyses indicate that domesticated potato and S. commersonii lineages diverged ∼2.3 million years ago. Three duplication periods corresponding to genome enrichment for particular gene families related to response to salt stress, water transport, growth, and defense response were discovered. The draft genome sequence of S. commersonii substantially increases our understanding of the domesticated germplasm, facilitating translation of acquired knowledge into advances in crop stability in light of global climate and environmental changes.
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Affiliation(s)
- Riccardo Aversano
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
| | - Felice Contaldi
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
| | | | - Valentina Grosso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
| | - Massimo Iorizzo
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
| | - Filippo Tatino
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
| | - Luciano Xumerle
- Center of Functional Genomics, Department of Biotechnologies, University of Verona, 37134 Cà Vignal, Italy
| | - Alessandra Dal Molin
- Center of Functional Genomics, Department of Biotechnologies, University of Verona, 37134 Cà Vignal, Italy
| | - Carla Avanzato
- Center of Functional Genomics, Department of Biotechnologies, University of Verona, 37134 Cà Vignal, Italy
| | - Alberto Ferrarini
- Center of Functional Genomics, Department of Biotechnologies, University of Verona, 37134 Cà Vignal, Italy
| | - Massimo Delledonne
- Center of Functional Genomics, Department of Biotechnologies, University of Verona, 37134 Cà Vignal, Italy
| | | | | | - Salvador Capella-Gutierrez
- Center for Genomic Regulation, 08003 Barcelona, Spain Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, 08003 Barcelona, Spain
| | - Toni Gabaldón
- Center for Genomic Regulation, 08003 Barcelona, Spain Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, 08003 Barcelona, Spain Institució Catalana de Recerca i Estudis Avançats, 08010 Barcelona, Spain
| | - Luigi Frusciante
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
| | - James M Bradeen
- Department of Plant Pathology and Stakman-Borlaug Center for Sustainable Plant Health, University of Minnesota, Saint Paul, Minnesota 55108
| | - Domenico Carputo
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
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21
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Giusti MM, Polit MF, Ayvaz H, Tay D, Manrique I. Characterization and quantitation of anthocyanins and other phenolics in native Andean potatoes. J Agric Food Chem 2014; 62:4408-4416. [PMID: 24745827 DOI: 10.1021/jf500655n] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Andean potatoes are gaining popularity not only for their appealing colors and culinary uses but also for their potential higher content of polyphenolic compounds. The objective of this study was to identify potato varieties with increased phenolic content. This was achieved through characterization and quantitation of the phenolic composition in 20 varieties of native Andean potatoes from 4 different Solanum species with different colors. Major quantitative and qualitative differences among evaluated samples were more dependent on the coloration of the extracted sample rather than on the species. The most predominant anthocyanidins were petunidin-3-coumaroylrutinoside-5-glucoside and pelargonidin-3-coumaroylrutinoside-5-glucoside in purple and red potato extracts, respectively, while chlorogenic acid and its isomers were the main phenolic compund (43% of the total phenolic content). Our study suggested that the appropriate selection of native potatoes could provide new sources of polyphenolics with health promoting properties and natural pigments with increased stability for food applications.
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Affiliation(s)
- M Monica Giusti
- Department of Food Science and Technology, The Ohio State University , 110 Parker Food Science and Technology Building, 2015 Fyffe Road, Columbus, Ohio 43210, United States
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22
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Dai F, Bergholt MS, Benjamin AJV, Hong TS, Zhiwei H. [Rapid identification of potato cultivars using NIR-excited fluorescence and Raman spectroscopy]. Guang Pu Xue Yu Guang Pu Fen Xi 2014; 34:677-680. [PMID: 25208390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Potato is one of the most important food in the world. Rapid and noninvasive identification of potato cultivars plays a important role in the better use of varieties. In this study, The identification ability of optical spectroscopy techniques, including near-infrared (NIR) Raman spectroscopy and NIR fluorescence spectroscopy, for invasive detection of potato cultivars was evaluated. A rapid NIR Raman spectroscopy system was applied to measure the composite Raman and NIR fluorescence spectroscopy of 3 different species of potatoes (98 samples in total) under 785 nm laser light excitation. Then pure Raman and NIR fluorescence spectroscopy were abstracted from the composite spectroscopy, respectively. At last, the partial least squares-discriminant analysis (PLS-DA) was utilized to analyze and classify Raman spectra of 3 different types of potatoes. All the samples were divided into two sets at random: the calibration set (74samples) and prediction set (24 samples), the model was validated using a leave-one-out, cross-validation method. The results showed that both the NIR-excited fluorescence spectra and pure Raman spectra could be used to identify three cultivars of potatoes. The fluorescence spectrum could distinguish the Favorita variety well (sensitivity: 1, specificity: 0.86 and accuracy: 0.92), but the result for Diamant (sensitivity: 0.75, specificity: 0.75 and accuracy: 0. 75) and Granola (sensitivity: 0.16, specificity: 0.89 and accuracy: 0.71) cultivars identification were a bit poorer. We demonstrated that Raman spectroscopy uncovered the main biochemical compositions contained in potato species, and provided a better classification sensitivity, specificity and accuracy (sensitivity: 1, specificity: 1 and accuracy: 1 for all 3 potato cultivars identification) among the three types of potatoes as compared to fluorescence spectroscopy.
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Chong ESL, McGhie TK, Heyes JA, Stowell KM. Metabolite profiling and quantification of phytochemicals in potato extracts using ultra-high-performance liquid chromatography-mass spectrometry. J Sci Food Agric 2013; 93:3801-3808. [PMID: 23794415 DOI: 10.1002/jsfa.6285] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 06/13/2013] [Accepted: 06/21/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Potatoes contain a diverse range of phytochemicals which have been suggested to have health benefits. Metabolite profiling and quantification were conducted on plant extracts made from a white potato cultivar and 'Urenika', a purple potato cultivar traditionally consumed by New Zealand Maori. There is limited published information regarding the metabolite profile of Solanum tuberosum cultivar 'Urenika'. RESULTS Using ultra-high- performance liquid chromatography-mass spectrometry (UHPLC-MS), a total of 31 compounds were identified and quantified in the potato extracts. The majority of the compounds were identified for the first time in 'Urenika'. These compounds include several types of anthocyanins, hydroxycinnamic acid (HCA) derivatives, and hydroxycinnamic amides (HCAA). Six classes of compounds, namely organic acids, amino acids, HCA, HCAA, flavonols and glycoalkaloids, were present in both extracts but quantities varied between the two extracts. CONCLUSIONS The unknown plant metabolites in both potato extracts were assigned with molecular formulae and identified with high confidence. Quantification of the metabolites was achieved using a number of appropriate standards. High-resolution mass spectrometry data critical for accurate identification of unknown phytochemicals were achieved and could be added to potato or plant metabolomic database.
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Affiliation(s)
- Esther Swee Lan Chong
- Institute of Food, Nutrition and Human Health (IFNHH), Massey University, Private Bag, 11222, Palmerston North, New Zealand
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Burgos G, Muñoa L, Sosa P, Bonierbale M, zum Felde T, Díaz C. In vitro bioaccessibility of lutein and zeaxanthin of yellow fleshed boiled potatoes. Plant Foods Hum Nutr 2013; 68:385-90. [PMID: 23999699 PMCID: PMC3826056 DOI: 10.1007/s11130-013-0381-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Yellow fleshed potatoes contain significant amounts of lutein and zeaxanthin but the bioaccessibility of potato carotenoids has not yet been investigated. The purpose of this study was to estimate the in vitro bioaccessibility of carotenoids provided by potato. Lutein and zeaxanthin concentrations of boiled, freeze dried and milled samples of seven yellow fleshed potato accessions were determined by HPLC before and after different steps (gastric, duodenal and micellar phase) of in vitro digestion. The gastric and duodenal digestive stability of lutein and zeaxanthin in boiled tubers of the different accessions ranged from 70 to 95 % while the efficiency of micellarization ranged from 33 to 71 % for lutein and from 51 to 71 % for zeaxanthin. For all accessions, amounts of lutein and zeaxanthin after micellarization were significantly lower than the original amount found in the boiled samples. The accession 701862 showed the highest bioaccessible lutein concentration (280 μg/100 g, FW) and the accessions 703566 and 704218 showed the highest bioaccessible zeaxanthin concentration (above 600 μg/100 g, FW). Considering the mean potato intake in the Andes (500 g per day), the accession 701862 provides 14 % of the lutein intake suggested for health benefits and the accessions 703566 and 704218 provide 50 % more than the suggested zeaxanthin intake.
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Affiliation(s)
- Gabriela Burgos
- International Potato Center, Av. La Molina 1895, PO. Box 1558, Lima, Peru,
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Payyavula RS, Singh RK, Navarre DA. Transcription factors, sucrose, and sucrose metabolic genes interact to regulate potato phenylpropanoid metabolism. J Exp Bot 2013; 64:5115-31. [PMID: 24098049 PMCID: PMC3830490 DOI: 10.1093/jxb/ert303] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Much remains unknown about how transcription factors and sugars regulate phenylpropanoid metabolism in tuber crops like potato (Solanum tuberosum). Based on phylogeny and protein similarity to known regulators of phenylpropanoid metabolism, 15 transcription factors were selected and their expression was compared in white, yellow, red, and purple genotypes with contrasting phenolic and anthocyanin profiles. Red and purple genotypes had increased phenylalanine ammonia lyase (PAL) enzyme activity, markedly higher levels of phenylpropanoids, and elevated expression of most phenylpropanoid structural genes, including a novel anthocyanin O-methyltransferase. The transcription factors Anthocyanin1 (StAN1), basic Helix Loop Helix1 (StbHLH1), and StWD40 were more strongly expressed in red and purple potatoes. Expression of 12 other transcription factors was not associated with phenylpropanoid content, except for StMYB12B, which showed a negative relationship. Increased expression of AN1, bHLH1, and WD40 was also associated with environmentally mediated increases in tuber phenylpropanoids. Treatment of potato plantlets with sucrose induced hydroxycinnamic acids, flavonols, anthocyanins, structural genes, AN1, bHLH1, WD40, and genes encoding the sucrose-hydrolysing enzymes SUSY1, SUSY4, and INV2. Transient expression of StAN1 in tobacco leaves induced bHLH1, structural genes, SUSY1, SUSY4, and INV1, and increased phenylpropanoid amounts. StAN1 infiltration into tobacco leaves decreased sucrose and glucose concentrations. In silico promoter analysis revealed the presence of MYB and bHLH regulatory elements on sucrolytic gene promoters and sucrose-responsive elements on the AN1 promoter. These findings reveal an interesting dynamic between AN1, sucrose, and sucrose metabolic genes in modulating potato phenylpropanoids.
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Affiliation(s)
- Raja S. Payyavula
- Irrigated Agricultural Research and Extension Center, Washington State
- Department of Horticulture and Landscape Architecture, Washington State University, Pullman, WA 99164, USA
- * Present address: Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Rajesh K. Singh
- Irrigated Agricultural Research and Extension Center, Washington State
- Department of Horticulture and Landscape Architecture, Washington State University, Pullman, WA 99164, USA
| | - Duroy A. Navarre
- Irrigated Agricultural Research and Extension Center, Washington State
- USDA-Agricultural Research Service 24106 North Bunn Road, Prosser, WA 99350, USA
- † To whom correspondence should be addressed. E-mail:
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Herrero Latorre C, Barciela García J, García Martín S, Peña Crecente RM. Chemometric classification of potatoes with protected designation of origin according to their producing area and variety. J Agric Food Chem 2013; 61:8444-8451. [PMID: 23909659 DOI: 10.1021/jf402001s] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Potatoes from Galicia (northwestern Spain) are subjected to a Protected Geographic Indication (PGI) according to European legislation. Ten trace elements (Li, Na, K, Rb, Ca, Fe, Mg, Mn, Cu, and Zn) have been determined by atomic spectrometry in two sets of potato samples: Geo-Origin.set and Variety.set. The first data set is composed of samples of the only variety authorized by PGI (Kennebec) with two geographical origins: Galician and non-Galician. The second set corresponds to samples from different varieties but with only Galician geographical origin. Chemometric pattern recognition techniques have been applied to the study of potato geographical and varietal origins in relation to their capability for translocating metals from soil to tuber. Also, authentication models for classifying potato samples with Galician PGI based on metal fingerprints have been developed. The results obtained showed that samples of the same variety, Kennebec, have different metal fingerprints when they have been produced in different geographic locations. Also, diverse potato varieties cultivated on equal geographic Galician origin presented different metal profiles as well. Therefore, it can be concluded that classification studies on the differentiation of geographical origin of foods should take into account information of production area together with varietal data. Otherwise, classification obtained on the basis of the geographical origin could be due to the different variety or vice versa. Finally, two models were constructed for Kennebec Galician samples against Kennebec from other origins as well as against other varieties cultivated in Galicia (Liseta and Baraka). Both models achieved adequate classification rates (93-100%), good sensitivities, and total specificities (100%), allowing the fraud detection in the PGI label.
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Affiliation(s)
- Carlos Herrero Latorre
- Departamento Quı́mica Analı́tica, Nutrición y Bromatologı́a, Facultad de Ciencias, Universidad de Santiago de Compostela, Alfonso X el Sabio s/n, 27002 Lugo, Spain
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27
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Karelov AV, Pilipenko LA, Kozub NA, Bondus RA, Borzykh AU, Sozinov IA, Blium IB, Sozinov AA. [Allelic state of the molecular marker for the golden nematode (Globodera rostochiensis) resistance gene H1 among Ukrainian and world cultivars of potato (Solanum tuberosum ssp. tuberosum)]. Tsitol Genet 2013; 47:41-46. [PMID: 24228497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The purpose of our investigation was determination of allelic state of the H1 resistance gene against the pathotypes Ro1 and Ro4 of golden potato cyst nematode (Globodera rostochiensis) among Ukrainian and world potato (Solanum tuberosum ssp. tuberosum) cultivars. The allelic condition of the TG689 marker was determined by PCR with DNA samples isolated from tubers of potato and primers, one pair of which flanks the allele-specific region and the other one was used for the control of DNA quality. Among analyzed 77 potato cultivars the allele of marker associated with the H1-type resistance was found in 74% of Ukrainian and 90% foreign ones although some of those cultivars proved to be susceptible to the golden potato nematode in field. The obtained data confirm the presence of H1-resistance against golden nematode pathotypes Ro1 and Ro4 among the Ukrainian potato cultivars and efficiency of the used marker within the accuracy that has been declared by its authors.
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Shojaee-Aliabadi S, Nikoopour H, Kobarfard F, Parsapour M, Moslehishad M, Hassanabadi H, Frias JM, Hashemi M, Dahaghin E. Acrylamide reduction in potato chips by selection of potato variety grown in Iran and processing conditions. J Sci Food Agric 2013; 93:2556-2561. [PMID: 23580468 DOI: 10.1002/jsfa.6076] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 11/16/2012] [Accepted: 04/11/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Acrylamide as a possible carcinogen is known to form in heated carbohydrate-rich food such as potato chips. In this study, the effect of three potato varieties (Agria, Sante and Savalan) and two blanching conditions (75 °C for 9 min and 83 °C for 2.5 min) on the concentration of precursors and acrylamide reduction in potato chips was investigated. RESULTS Results revealed that potato variety and blanching time-temperature were important parameters for acrylamide formation in potato chips. Acrylamide content in Sante variety potatoes, which contained the highest amount of reducing sugars, was found to be the highest (8825 µg kg(-1)). However, Savalan, containing the highest asparagine concentration, showed the lowest amount of acrylamide due to its lower reducing sugar content. Blanching reduced acrylamide formation; it was more efficient at 75 °C for 9 min, with an average reduction of 74%. The effect of three frying temperatures (170, 180 and 190 °C) on acrylamide formation was also studied just for the Agria potato variety. Increasing frying temperature led to a significant increase in acrylamide formation. CONCLUSION Potato variety and processing conditions were important parameters for acrylamide formation in potato chips. The combination of a suitable variety and appropriate processing conditions could considerably reduce acrylamide content.
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Affiliation(s)
- Saeedeh Shojaee-Aliabadi
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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29
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Külen O, Stushnoff C, Holm DG. Effect of cold storage on total phenolics content, antioxidant activity and vitamin C level of selected potato clones. J Sci Food Agric 2013; 93:2437-2444. [PMID: 23400895 DOI: 10.1002/jsfa.6053] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Revised: 10/31/2012] [Accepted: 01/10/2013] [Indexed: 06/01/2023]
Abstract
BACKGROUND Twelve Colorado-grown specialty potato clones were evaluated for total phenolic content, antioxidant activity and ascorbic acid content at harvest and after 2, 4, 6 and 7 months cold storage at 4 °C. Potato clones were categorized as pigmented ('CO97226-2R/R', 'CO99364-3R/R', 'CO97215-2P/P', 'CO97216-3P/P', 'CO97227-2P/P', 'CO97222-1R/R', 'Purple Majesty', 'Mountain Rose' and 'All Blue'), yellow ('Yukon Gold') and white fleshed ('Russet Nugget', 'Russet Burbank'). Folin-Ciocalteu reagent was used to estimate total phenolic content, and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS(•+) ) and 2,2-diphenyl-1-picrylhydrazyl (DPPH(•) ) radical scavenging assays were used to estimate antioxidant capacity. RESULTS Pigmented potato genotypes had significantly higher total phenolic content and antioxidant activity at all data points than yellow- and white-fleshed cultivars. Vitamin C content was higher in 'Yukon Gold' than in the other clones. The highest level of vitamin C in all clones was at harvest and after 2 months in cold storage. Vitamin C content in all potato clones dropped rapidly with longer intervals of cold storage. Although total phenolic content and antioxidant activity fluctuated during cold storage, after 7 months of cold storage their levels were slightly higher than at harvest. Total phenolic content was better correlated with Trolox equivalent antioxidant capacity (TEAC)/ABTS(•+) than the TEAC/DPPH(•) radical scavenging assay. CONCLUSION Pigmented potato clones had significantly higher total phenolic content and antioxidant activity, while the yellow-fleshed potato cultivar 'Yukon Gold' had significantly higher vitamin C content. Vitamin C content decreased in all potato clones during cold storage, while total phenolics increased in pigmented clones.
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Affiliation(s)
- Oktay Külen
- Tübitak, Marmara Research Center, Genetic Engineering and Biotechnology Institute, Gebze, Kocaeli, Turkey.
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30
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López A, Arazuri S, García I, Mangado J, Jarén C. A review of the application of near-infrared spectroscopy for the analysis of potatoes. J Agric Food Chem 2013; 61:5413-24. [PMID: 23647358 DOI: 10.1021/jf401292j] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Potato (Solanum tuberosum L.) is one of the most important crops in the world being considered as a staple food in many developing countries. The potato industry like other vegetable and fruit industries is subject to the current demand of quality products. In order to meet this challenge, the food industry is relying on the adoption of nondestructive and environmentally friendly techniques to determine quality of products. Near-infrared spectroscopy (NIRS) is currently one of the most advanced nondestructive technologies regarding instrumentation and application, and it also complies with the environment requirements as it does not generate emissions or waste. This paper reviews research progress on the analysis of potatoes by NIRS both in terms of determination of constituents and classification according to the different constituents of the tubers. A brief description of the fundamentals of NIRS technology and its advantages over other quality assessment techniques is included. Finally, future prospects of the development of NIRS technology at the industrial level are explored.
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Affiliation(s)
- Ainara López
- Deparment of Agricultural Projects and Engineering, Universidad Pública de Navarra, Campus de Arrosadia 31006, Navarra, Spain.
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31
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Zhao Y, Liu W, Xu YP, Cao JY, Braam J, Cai XZ. Genome-wide identification and functional analyses of calmodulin genes in Solanaceous species. BMC Plant Biol 2013; 13:70. [PMID: 23621884 PMCID: PMC3751459 DOI: 10.1186/1471-2229-13-70] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 04/24/2013] [Indexed: 05/21/2023]
Abstract
BACKGROUND Calmodulin (CaM) is a major calcium sensor in all eukaryotes. It binds calcium and modulates the activity of a wide range of downstream proteins in response to calcium signals. However, little is known about the CaM gene family in Solanaceous species, including the economically important species, tomato (Solanum lycopersicum), and the gene silencing model plant, Nicotiana benthamiana. Moreover, the potential function of CaM in plant disease resistance remains largely unclear. RESULTS We performed genome-wide identification of CaM gene families in Solanaceous species. Employing bioinformatics approaches, multiple full-length CaM genes were identified from tomato, N. benthamiana and potato (S. tuberosum) genomes, with tomato having 6 CaM genes, N. benthamiana having 7 CaM genes, and potato having 4 CaM genes. Sequence comparison analyses showed that three tomato genes, SlCaM3/4/5, two potato genes StCaM2/3, and two sets of N. benthamiana genes, NbCaM1/2/3/4 and NbCaM5/6, encode identical CaM proteins, yet the genes contain different intron/exon organization and are located on different chromosomes. Further sequence comparisons and gene structural and phylogenetic analyses reveal that Solanaceous species gained a new group of CaM genes during evolution. These new CaM genes are unusual in that they contain three introns in contrast to only a single intron typical of known CaM genes in plants. The tomato CaM (SlCaM) genes were found to be expressed in all organs. Prediction of cis-acting elements in 5' upstream sequences and expression analyses demonstrated that SlCaM genes have potential to be highly responsive to a variety of biotic and abiotic stimuli. Additionally, silencing of SlCaM2 and SlCaM6 altered expression of a set of signaling and defense-related genes and resulted in significantly lower resistance to Tobacco rattle virus and the oomycete pathogen, Pythium aphanidermatum. CONCLUSIONS The CaM gene families in the Solanaceous species tomato, N. benthamiana and potato were identified through a genome-wide analysis. All three plant species harbor a small set of genes that encode identical CaM proteins, which may manifest a strategy of plants to retain redundancy or enhanced quantitative gene function. In addition, Solanaceous species have evolved one new group of CaM genes during evolution. CaM genes play important roles in plant disease resistance to a variety of pathogens.
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Affiliation(s)
- Yuan Zhao
- Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, 866 Yu Hang Tang Road, Hangzhou 310058, China
| | - Wei Liu
- Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, 866 Yu Hang Tang Road, Hangzhou 310058, China
| | - You-Ping Xu
- Center of Analysis and Measurement, Zhejiang University, 866 Yu Hang Tang Road, Hangzhou 310058, China
| | - Jia-Yi Cao
- Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, 866 Yu Hang Tang Road, Hangzhou 310058, China
| | - Janet Braam
- Department of Biochemistry and Cell Biology, Rice University, Houston, TX 77005-1892, USA
| | - Xin-Zhong Cai
- Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, 866 Yu Hang Tang Road, Hangzhou 310058, China
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Hosaka K, Sanetomo R. Development of a rapid identification method for potato cytoplasm and its use for evaluating Japanese collections. Theor Appl Genet 2012; 125:1237-51. [PMID: 22696007 DOI: 10.1007/s00122-012-1909-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2012] [Accepted: 05/25/2012] [Indexed: 05/11/2023]
Abstract
The cytoplasm of potatoes, characterized by the presence of T-type chloroplast DNA and β-type mitochondrial DNA, is sensitive to nuclear chromosomal genes that contribute to various types of male sterility. Past breeding efforts with various potato varieties have resulted in several different cytoplasms other than T/β. Varieties with Solanum stoloniferum-derived cytoplasm (W/γ) show complete male sterility, while those with S. demissum-derived cytoplasm (W/α) produce abundant, but non-functional pollen. Thus, identification of cytoplasmic types is important for designing efficient mating combinations. To date, only T-type chloroplast DNA can be accurately identified by a PCR marker. Here, we report a rapid identification technique by multiplex PCR, followed by restriction digestion with BamHI in one reaction tube, and propose a new nomenclature for potato cytoplasm types (T, D, P, A, M, and W). Using this new technique, our collections of 748 genotypes, including 84 Japanese named varieties, 378 breeding lines and 26 landraces, and 260 foreign varieties and breeding lines, were grouped into cytoplasm types: T (73.9 %), D (17.4 %), P (4.5 %), A (1.5 %), M (0.3 %), and W (2.4 %). The utility of this marker system for breeding is discussed.
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Affiliation(s)
- Kazuyoshi Hosaka
- NARO Hokkaido Agricultural Research Center, Shinsei, Memuro, Hokkaido, 082-0081, Japan.
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Abstract
Wild potatoes are native to the Americas, where they present very wide geographical and ecological distribution. Most are diploid, obligate out-crossers due to a multiallelic gametophytic self-incompatibility (S) locus that prevents self-fertilisation and crossing between individuals carrying identical S-alleles. They have two alternative modes of reproduction: sexual (by seeds) and asexual (by stolons and tubers), which provide, respectively, for genetic flexibility in changing environments and high fitness of adapted genotypes under stable conditions. Since the early twentieth century, their taxonomic classification has been mostly based on morphological phenotypes (Taxonomic Species Concept). More recently, attempts have been made to establish phylogenetic relationships, applying molecular tools in samples of populations (accessions) with a previously assigned specific category. However, neither the reproductive biology and breeding relations among spontaneous populations nor the morphological and genetic variability expected in obligate allogamous populations are considered when the taxonomic species concept is applied. In nature, wild potato populations are isolated through external and internal hybridisation barriers; the latter, which are genetically determined, can be either pre-zygotic (pollen-pistil incompatibility) or post-zygotic (abortion of embryo, endosperm or both tissues, sterility, and hybrid weakness and breakdown in segregating generations). The internal barriers, however, can be incomplete, providing opportunities for hybridisation and introgression within and between populations and ploidy levels in areas of overlap. The widespread occurrence of spontaneous hybrids in nature was recognised in the mid-twentieth century. Using genetic approaches, results have been obtained that provide strong support to the assertion that populations are at different stages of genetic divergence and are not at the end of the evolutionary process, as presupposed by the Taxonomic Species Concept. Furthermore, since wild potatoes have uniparental and biparental overlapping generations, the Biological Species Concept - developed for sexually reproducing biparental organisms - cannot be applied to them. In this paper, morphological, genetic, molecular and taxonomic studies in wild potato are reviewed, considering the genetic consequences of their reproductive biology, in an attempt to shed light on the species problem, because of its relevance in germplasm conservation and breeding.
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Affiliation(s)
- E L Camadro
- Estación Experimental Agropecuaria Balcarce, Instituto Nacional de Tecnología Agropecuaria (INTA), Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, Balcorce, Argentina.
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Seibt KM, Wenke T, Wollrab C, Junghans H, Muders K, Dehmer KJ, Diekmann K, Schmidt T. Development and application of SINE-based markers for genotyping of potato varieties. Theor Appl Genet 2012; 125:185-196. [PMID: 22371142 DOI: 10.1007/s00122-012-1825-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Accepted: 02/11/2012] [Indexed: 05/31/2023]
Abstract
Potato variety discrimination based on morphological traits is laborious and influenced by the environment, while currently applied molecular markers are either expensive or time-consuming in development or application. SINEs, short interspersed nuclear elements, are retrotransposons with a high copy number in plant genomes representing a potential source for new markers. We developed a marker system for potato genotyping, designated inter-SINE amplified polymorphism (ISAP). Based on nine potato SINE families recently characterized (Wenke et al. in Plant Cell 23:3117-3128, 2011), we designed species-specific SINE primers. From the resulting 153 primer combinations, highly informative primer sets were selected for potato variety analysis regarding number of bands, quality of the banding pattern, and the degree of polymorphism. Fragments representing ISAPs can be separated by conventional agarose gel electrophoresis; however, automation with a capillary sequencer is feasible. Two selected SINE families, SolS-IIIa and SolS-IV, were shown to be highly but differently amplified in Solanaceae, Solaneae tribe, including wild and cultivated potatoes, tomato, and eggplant. Fluorescent in situ hybridization demonstrated the genome-wide distribution of SolS-IIIa and SolS-IV along potato chromosomes, which is the basis for genotype discrimination and differentiation of somaclonal variants by ISAP markers.
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Affiliation(s)
- Kathrin M Seibt
- Institute of Botany, Dresden University of Technology, 01062, Dresden, Germany
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Cai XK, Spooner DM, Jansky SH. A test of taxonomic and biogeographic predictivity: resistance to Potato virus Y in wild relatives of the cultivated potato. Phytopathology 2011; 101:1074-1080. [PMID: 21834726 DOI: 10.1094/phyto-02-11-0060] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
A major justification for taxonomic research is its assumed ability to predict the presence of traits in a group for which the trait has been observed in a representative subset of the group. Similarly, populations in similar environments are expected to be more alike than populations in divergent environments. Consequently, it is logical to assume that taxonomic relationships and biogeographical data have the power to predict the distribution of disease resistance phenotypes among plant species. The objective of this study was to test predictivity in a group of widely distributed wild potato species, based on hypotheses that closely related organisms (taxonomy) or organisms from similar environments (biogeography) share resistance to a simply inherited trait (Potato virus Y [PVY]). We found that wild potato species with an endosperm balance number (EBN) of 1 (a measure of cross compatibility) shared resistances to PVY more than species with different EBN values. However, a large amount of variation was found for resistance to PVY among and within species. We also found that populations from low elevations were more resistant than those from high elevations. Because PVY is vectored by aphids, we speculate that the distribution of aphids may determine the level of selection pressure for PVY resistance.
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Affiliation(s)
- X K Cai
- Huazhong Agricultural University, Hubei, China
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Seefeldt HF, Tønning E, Wiking L, Thybo AK. Appropriateness of culinary preparations of potato (Solanum tuberosum L.) varieties and relation to sensory and physicochemical properties. J Sci Food Agric 2011; 91:412-420. [PMID: 21218473 DOI: 10.1002/jsfa.4200] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2010] [Revised: 06/12/2010] [Accepted: 08/05/2010] [Indexed: 05/30/2023]
Abstract
BACKGROUND Appropriateness of potatoes for culinary preparations is defined as the optimal use of a given variety for a specific culinary preparation. The aim of this study was to examine the sensory attributes and physicochemical characteristics (dry matter content, starch properties, instrumental texture) of 11 potato varieties in relation to their appropriateness for boiling, oven-frying or mashing. The reproducibility of appropriateness was studied by including the effect of two growing conditions and yearly variation combined with internal references. RESULTS The potato varieties, tested by 31 evaluators in two years, showed three groupings differing in appropriateness, which could be explained by a few sensory attributes: yellowness, mealiness, creaminess and butter taste. The physicochemical data showed a large variation of 23-25% in dry matter content, amylose content and starch granule size and an extreme variation in texture hardness. High reproducibility was found in the ranking of potatoes across years and culinary preparations. Hence, if a variety was judged well appropriate for boiled potatoes, it was also judged well appropriate as mashed or oven-fried potatoes. CONCLUSION This study showed the relevance of using sensory descriptors appropriateness in an objective manner. A few sensory descriptors can be used in consumer-labelling appropriateness of potatoes.
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Affiliation(s)
- Helene F Seefeldt
- Department of Food Science, Faculty of Agricultural Sciences, Aarhus University, Kirstinebjergvej 10, DK-5792 Årslev, Denmark
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Gumul D, Ziobro R, Noga M, Sabat R. Characterisation of five potato cultivars according to their nutritional and pro-health components. Acta Sci Pol Technol Aliment 2011; 10:77-81. [PMID: 22232530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
INTRODUCTION Potatoes are very popular vegetables in Poland, not only in terms that they are easy to prepare, but also by the fact that they combine the wholesomeness of cereals and delicacy and characteristic chemical composition of vegetables, so it is important that they find their place in our diet. Nutritional value of potatoes is determined by the content of nutrients such as protein, starch, fat, minerals, and absence of toxins, as well as by a significant content of bioactive components from the group of polyphenols, which guarantee proper antioxidant activity of this vegetable. The study was performed in order to analyse 5 Polish potato cultivars, according to nutritional components, i.e.: proteins, fat, starch, carbohydrates, ash and biologically active compounds: such as polyphenols, flavonoids, as well as dietary fibre. At the same time antioxidant activity of the cultivars was determined by means of two independent methods. MATERIAL AND METHODS The material for the study consisted of five varieties of potatoes: Saturna, Hermes, Raja, Rosalind, Courage, which were analysed for the content of nutrients i.e. protein, fat, starch, carbohydrate, ash and biologically active compounds: polyphenols, flavonoids, and fiber. Antioxidant activity of the examined potato varieties was determined by two independent methods. RESULTS It was shown, taking into account the nutrients, that the potato variety Raja was characterised by the lowest content of carbohydrate and ash, and high amounts of protein and fat. The highest content of insoluble dietary fibre was determined for Raja, and its soluble fraction for Saturna. The amounts of insoluble fibre were three times as much as the content of soluble fibre in the analysed potato cultivars. The highest total polyphenol content was measured for Saturna, and the lowest for Rosalind. Other cultivars revealed similar amounts of these components (3 mg catechin/g d.m.). The contents of flavonols and flavonoids was not proportional to total polyphenol content in the analysed potato cultivars. Antioxidant activity determined by two independant methods was proportional to total polyphenol content in the analysed plant material. CONCLUSIONS It was shown that the content of pro-health ingredients such as: dietary fiber, total polyphenols and antioxidant activity was preferable for two of the five examined varieties of potatoes: Saturna and Raja.
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Rodríguez F, Ghislain M, Clausen AM, Jansky SH, Spooner DM. Hybrid origins of cultivated potatoes. Theor Appl Genet 2010; 121:1187-1198. [PMID: 20734187 DOI: 10.1007/s00122-010-1422-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2010] [Accepted: 07/30/2010] [Indexed: 05/26/2023]
Abstract
Solanum section Petota is taxonomically difficult, partly because of interspecific hybridization at both the diploid and polyploid levels. The taxonomy of cultivated potatoes is particularly controversial. Using DNA sequence data of the waxy gene, we here infer relationships among the four species of cultivated potatoes accepted in the latest taxonomic treatment (S. ajanhuiri, S. curtilobum, S. juzepczukii and S. tuberosum, the latter divided into the Andigenum and Chilotanum Cultivar Groups). The data support prior ideas of hybrid origins of S. ajanhuiri from the S. tuberosum Andigenum Group (2x = S. stenotomum) × S. megistacrolobum; S. juzepczukii from the S. tuberosum Andigenum Group (2x = S. stenotomum) × S. acaule; and S. curtilobum from the S. tuberosum Andigenum Group (4x = S. tuberosum subsp. andigenum) × S. juzepczukii. For the tetraploid cultivar-groups of S. tuberosum, hybrid origins are suggested entirely within much more closely related species, except for two of three examined accessions of the S. tuberosum Chilotanum Group that appear to have hybridized with the wild species S. maglia. Hybrid origins of the crop/weed species S. sucrense are more difficult to support and S. vernei is not supported as a wild species progenitor of the S. tuberosum Andigenum Group.
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Affiliation(s)
- Flor Rodríguez
- USDA, Agricultural Research Service, Department of Horticulture, University of Wisconsin, 1575 Linden Drive, Madison, WI 53706-1590, USA
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Qin SH, Zhang JL, Wang D, Pu YL. [Effects of limited supplemental irrigation with catchment rainfall on potato growth in rainfed areas of western Loess Plateau]. Ying Yong Sheng Tai Xue Bao 2009; 20:2665-2670. [PMID: 20135998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Field experiments were conducted to study the effects of limited supplemental irrigation with catchment rainfall on the growth of potato cultivars Daxiyang and Tongshu 23 in rainfed areas of western Loess Plateau. Supplemental irrigation with catchment rainfall at seedling stage increased the potato yield significantly, and the increment was higher for Daxiyang than for Tongshu No. 23. Supplemental irrigation at tuber expanding stage increased the yield of Tongshu 23, but decreased the yield of Daxiyang. Low amount of supplemental irrigation (45 mm) increased the water use efficiency (WUE) and irrigation water use efficiency (IWUE) of Tongshu 23. For Daxiyang, its WUE and IWUE were higher when the supplemental irrigation was made at seedling stage than at tuber expanding stage. Supplemental irrigation increased the tuber yield and the percentages of bigger and medium tubers of Tongshu 23, but the percentages of green and blet tubers were also increased. As for Daxiyang, supplemental irrigation increased the percentages of bigger and smaller tubers, as well as the percentage of blet tuber.
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Affiliation(s)
- Shu-Hao Qin
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
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Abstract
Resistance and susceptibility are closely related terms but differ in their underlying assumptions and measurement. Standardized methods for determining the level of resistance and susceptibility in potato to Phytophthora infestans, the causal agent of late blight, have traditionally been semiquantitative and are not based on a true interval scale, thus making their use in most mathematical and statistical operations inappropriate. Recently, researchers have attempted to develop interval scales using regression analysis of the direct or transformed area under the disease progress curve (AUDPC). In this article, a similar approach is described based on the relative AUDPC (RAUDPC) of one or two reference cultivars and tested using a data set of field trials involving cultivars with varying levels of susceptibility evaluated in different environments in several countries. The coefficient of variation (CV) among trials of the AUDPC was reduced when the RAUDPC was used and even more so when the RAUDPC was made relative to the RAUDPC of cv. Bintje (RaRAUDPC), which was present in all trials. The RaRAUDPC was used in regression models to estimate scale values for eight potato cultivars in 13 to 15 locations (depending on cultivar). The CVs of scale values measuring variation among sites were similar to those of the RaRAUDPC. Using two cultivars gave a slight improvement in CV, which was statistically significant. The scale developed here has ascending numbers for increasing susceptibility, is simple, and can be constructed as a ratio measure, which permitted the calculation of mean, variance, and CV.
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Affiliation(s)
- Jonathan E Yuen
- Department of Forest Mycology, Swedish University of Agricultural Sciences, SE 750 05 Uppsala, Sweden.
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Pajerowska-Mukhtar K, Stich B, Achenbach U, Ballvora A, Lübeck J, Strahwald J, Tacke E, Hofferbert HR, Ilarionova E, Bellin D, Walkemeier B, Basekow R, Kersten B, Gebhardt C. Single nucleotide polymorphisms in the allene oxide synthase 2 gene are associated with field resistance to late blight in populations of tetraploid potato cultivars. Genetics 2009; 181:1115-27. [PMID: 19139145 PMCID: PMC2651047 DOI: 10.1534/genetics.108.094268] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2008] [Accepted: 01/08/2009] [Indexed: 11/18/2022] Open
Abstract
The oomycete Phytophthora infestans causes late blight, the most relevant disease of potato (Solanum tuberosum) worldwide. Field resistance to late blight is a complex trait. When potatoes are cultivated under long day conditions in temperate climates, this resistance is correlated with late plant maturity, an undesirable characteristic. Identification of natural gene variation underlying late blight resistance not compromised by late maturity will facilitate the selection of resistant cultivars and give new insight in the mechanisms controlling quantitative pathogen resistance. We tested 24 candidate loci for association with field resistance to late blight and plant maturity in a population of 184 tetraploid potato individuals. The individuals were genotyped for 230 single nucleotide polymorphisms (SNPs) and 166 microsatellite alleles. For association analysis we used a mixed model, taking into account population structure, kinship, allele substitution and interaction effects of the marker alleles at a locus with four allele doses. Nine SNPs were associated with maturity corrected resistance (P < 0.001), which collectively explained 50% of the genetic variance of this trait. A major association was found at the StAOS2 locus encoding allene oxide synthase 2, a key enzyme in the biosynthesis of jasmonates, plant hormones that function in defense signaling. This finding supports StAOS2 as being one of the factors controlling natural variation of pathogen resistance.
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Affiliation(s)
- Karolina Pajerowska-Mukhtar
- Max Planck Institute for Plant Breeding Research, Department for Plant Breeding and Genetics, Cologne, Germany
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Ghislain M, Núñez J, Herrera MDR, Spooner DM. The single Andigenum origin of Neo-Tuberosum potato materials is not supported by microsatellite and plastid marker analyses. Theor Appl Genet 2009; 118:963-969. [PMID: 19132333 DOI: 10.1007/s00122-008-0953-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2008] [Accepted: 12/08/2008] [Indexed: 05/27/2023]
Abstract
Neo-Tuberosum refers to cultivated potato adapted to long-day tuberization and a syndrome of related morphological and physiological traits, developed by intercrossing and selection of short-day adapted potatoes of the Solanum tuberosum Andigenum Group, native from the Andes of western Venezuela to northern Argentina. This re-creation of the modern potato helped support the theory of an Andigenum Group origin of potato in temperate regions and the possibility to access the largely untapped diversity of the Andigenum Group germplasm by base broadening breeding. This Neo-Tuberosum derived theory, the re-creation of the modern potato from Andigenum germplasm, has been universally accepted for almost 40 years, and has had tremendous impact in planning some breeding programs and supporting phylogenetic conclusions in cultivated potato. We show, with microsatellite (simple sequence repeat, SSR) and plastid DNA marker data, that Neo-Tuberosum germplasm is closely related to Chilotanum Group landraces from lowland south-central Chile rather than to Andigenum Group germplasm. We interpret this quite unexpected result to be caused by strong rapid selection against the original Andigenum clones after unintended hybridization with Chilotanum Group germplasm. In addition, we show that Neo-Tuberosum and Andigenum Group germplasm did not serve to broaden the overall genetic diversity of advanced potato varieties, but rather that Neo-Tuberosum lines and lines not using this germplasm are statistically identical with regard to genetic diversity as assessed by SSRs. These results question the long-standing Neo-Tuberosum derived theory and have implications in breeding programs and phylogenetic reconstructions of potato.
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Affiliation(s)
- Marc Ghislain
- Applied Biotechnology Laboratory, International Potato Center (CIP), P.O. Box 1558, Lima, 12, Peru.
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Dobson G, Shepherd T, Verrall SR, Conner S, McNicol JW, Ramsay G, Shepherd LVT, Davies HV, Stewart D. Phytochemical diversity in tubers of potato cultivars and landraces using a GC-MS metabolomics approach. J Agric Food Chem 2008; 56:10280-91. [PMID: 18937493 DOI: 10.1021/jf801370b] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Phytochemical diversity with respect to a range of polar (including amino acids, organic acids, sugars, and sugar alcohols) and nonpolar (including fatty acids, alkanols, and sterols) metabolites was examined within tubers from a total of 29 genetically diverse potato cultivars and Chilean landraces using a metabolomics approach by gas chromatography-mass spectrometry. From principal component analysis of the polar and nonpolar metabolite data there was insufficient variation to differentiate the majority of cultivars and landraces. Analysis of all polar metabolite profiles revealed separation of two cultivars (Glenna and Morag) from the other cultivars and landraces and a separate cluster of one landrace line, largely due to higher levels of sugars. Pentland Javelin was distinct in containing high levels of many amino acids. The two Solanum tuberosum group phureja cultivars (Inca Sun and Mayan Gold) were not particularly similar and were not separated from the S. tuberosum group tuberosum cultivars. Analysis of the nonpolar metabolite data revealed partial separation of two landrace lines and, on the basis of some minor fatty acids, Mayan Gold was distinct. The differences in metabolite profiles are considered in terms of the taxonomy and breeding history of the cultivars and possible influences from other factors such as developmental stage of the tuber. With a view to exploring biosynthetic links between metabolites, a pairwise correlation analysis was performed on all metabolites. The significance of high correlations between many amino acids and between several nonpolar metabolites is discussed.
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Affiliation(s)
- Gary Dobson
- SCRI, Invergowrie, Dundee DD2 5DA, Scotland, U.K.
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Ducreux LJM, Morris WL, Prosser IM, Morris JA, Beale MH, Wright F, Shepherd T, Bryan GJ, Hedley PE, Taylor MA. Expression profiling of potato germplasm differentiated in quality traits leads to the identification of candidate flavour and texture genes. J Exp Bot 2008; 59:4219-31. [PMID: 18987392 PMCID: PMC2639024 DOI: 10.1093/jxb/ern264] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2008] [Revised: 10/03/2008] [Accepted: 10/06/2008] [Indexed: 05/19/2023]
Abstract
Quality traits such as flavour and texture are assuming a greater importance in crop breeding programmes. This study takes advantage of potato germplasm differentiated in tuber flavour and texture traits. A recently developed 44,000-element potato microarray was used to identify tuber gene expression profiles that correspond to differences in tuber flavour and texture as well as carotenoid content and dormancy characteristics. Gene expression was compared in two Solanum tuberosum group Phureja cultivars and two S. tuberosum group Tuberosum cultivars; 309 genes were significantly and consistently up-regulated in Phureja, whereas 555 genes were down-regulated. Approximately 46% of the genes in these lists can be identified from their annotation and amongst these are candidates that may underpin the Phureja/Tuberosum trait differences. For example, a clear difference in the cooked tuber volatile profile is the higher level of the sesquiterpene alpha-copaene in Phureja compared with Tuberosum. A sesquiterpene synthase gene was identified as being more highly expressed in Phureja tubers and its corresponding full-length cDNA was demonstrated to encode alpha-copaene synthase. Other potential 'flavour genes', identified from their differential expression profiles, include those encoding branched-chain amino acid aminotransferase and a ribonuclease suggesting a mechanism for 5'-ribonucleotide formation in potato tubers on cooking. Major differences in the expression levels of genes involved in cell wall biosynthesis (and potentially texture) were also identified, including genes encoding pectin acetylesterase, xyloglucan endotransglycosylase and pectin methylesterase. Other gene expression differences that may impact tuber carotenoid content and tuber life-cycle phenotypes are discussed.
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Affiliation(s)
| | - Wayne L. Morris
- Plant Products and Food Quality, SCRI, Invergowrie, Dundee DD2 5DA, UK
| | - Ian M. Prosser
- PSC Department, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
| | | | - Michael H. Beale
- PSC Department, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
| | - Frank Wright
- Biomathematics and Statistics Scotland (BioSS), Invergowrie, Dundee DD2 5DA, UK
| | - Tom Shepherd
- Plant Products and Food Quality, SCRI, Invergowrie, Dundee DD2 5DA, UK
| | | | | | - Mark A. Taylor
- Plant Products and Food Quality, SCRI, Invergowrie, Dundee DD2 5DA, UK
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Kaplan I, Dively GP, Denno RF. Variation in tolerance and resistance to the leafhopper Empoasca fabae (Hemiptera: Cicadellidae) among potato cultivars: implications for action thresholds. J Econ Entomol 2008; 101:959-968. [PMID: 18613600 DOI: 10.1603/0022-0493(2008)101[959:vitart]2.0.co;2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The potato leafhopper, Empoasca fabae (Harris) (Hemiptera: Cicadellidae), is an emerging pest of potato and insecticide applications to control this insect have increased in recent years. Based on field observations of leafhopper-crop dynamics, however, currently recommended action thresholds seem to be overly conservative. As a result, we initiated two experiments designed to quantify the impact of leafhoppers on potato yield, and determine how the magnitude of this effect changes among cultivars. In experiment 1, leafhoppers were manipulated (control versus insecticide-treated plots) on 17 potato varieties. In experiment 2, three cultivars (Superior, Atlantic, and Snowden) were planted representing early-, mid-, and late-season maturing lines, and six insecticide spray regimes were imposed (early-, late-, and full-season applications at high and low rates). In both experiments, leafhopper abundance, plant damage, and potato yield were measured. Overall, leafhoppers reduced yield in control plots by 15.7% relative to insecticide-treated plots. Leafhopper impact, however, varied among cultivars; a significant effect of leafhoppers on yield was detected in 6, 12, and 59% of cultivars tested in each of three trials. Of the 44 cases in which leafhoppers exceeded action thresholds, yield loss was only documented in 13 cases. Data from these experiments provide evidence that such variable effects ofleafhoppers on yield are explained by cultivar-specific resistance and tolerance traits. Our results suggest that potato growers can accept higher leafhopper densities than current thresholds recommend, particularly when cultivating resistant and/or tolerant varieties.
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Affiliation(s)
- I Kaplan
- University of Maryland, Department of Entomology, 4112 Plant Sciences Building, College Park, MD 20742, USA.
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Jansky SH, Simon R, Spooner DM. A test of taxonomic predictivity: resistance to early blight in wild relatives of cultivated potato. Phytopathology 2008; 98:680-687. [PMID: 18944292 DOI: 10.1094/phyto-98-6-0680] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Host plant resistance offers an attractive method of control for early blight (caused by the foliar fungus Alternaria solani), a widespread disease that appears annually in potato crops worldwide. We tested the assumed ability of taxonomy to predict the presence of early blight resistance genes in wild Solanum species for which resistance was observed in related species. We also tested associations to ploidy, crossing group, breeding system, and geography. As in a prior study of Sclerotinia sclerotiorum (white mold) resistance, tremendous variation for resistance to early blight was found to occur within and among species. There was no discernable relationship between the distribution of resistant phenotypes and taxonomic series (based on an intuitive interpretation of morphological data), clade (based on a cladistic analysis of plastid DNA data), ploidy, breeding system, geographic distance, or climate parameters. Species and individual accessions with high proportions of early blight resistant plants were identified, but high levels of inter- and intra-accession variability were observed. Consequently, the designation of species or accessions as resistant or susceptible must take this variation into account. This study calls into question the assumption that taxonomic or geographic data can be used to predict sources of early blight resistance in wild Solanum species.
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Affiliation(s)
- S H Jansky
- U.S. Department of Agriculture-Agricultural Research Service, Department of Horiculture, University of Wisconsin, Madison, 53706.
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Chaouachi M, El Malki R, Berard A, Romaniuk M, Laval V, Brunel D, Bertheau Y. Development of a real-time PCR method for the differential detection and quantification of four solanaceae in GMO analysis: potato (Solanum tuberosum), tomato (Solanum lycopersicum), eggplant (Solanum melongena), and pepper (Capsicum annuum). J Agric Food Chem 2008; 56:1818-28. [PMID: 18303841 DOI: 10.1021/jf073313n] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The labeling of products containing genetically modified organisms (GMO) is linked to their quantification since a threshold for the presence of fortuitous GMOs in food has been established. This threshold is calculated from a combination of two absolute quantification values: one for the specific GMO target and the second for an endogenous reference gene specific to the taxon. Thus, the development of reliable methods to quantify GMOs using endogenous reference genes in complex matrixes such as food and feed is needed. Plant identification can be difficult in the case of closely related taxa, which moreover are subject to introgression events. Based on the homology of beta-fructosidase sequences obtained from public databases, two couples of consensus primers were designed for the detection, quantification, and differentiation of four Solanaceae: potato (Solanum tuberosum), tomato (Solanum lycopersicum), pepper (Capsicum annuum), and eggplant (Solanum melongena). Sequence variability was studied first using lines and cultivars (intraspecies sequence variability), then using taxa involved in gene introgressions, and finally, using taxonomically close taxa (interspecies sequence variability). This study allowed us to design four highly specific TaqMan-MGB probes. A duplex real time PCR assay was developed for simultaneous quantification of tomato and potato. For eggplant and pepper, only simplex real time PCR tests were developed. The results demonstrated the high specificity and sensitivity of the assays. We therefore conclude that beta-fructosidase can be used as an endogenous reference gene for GMO analysis.
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Affiliation(s)
- Maher Chaouachi
- Unité Etude du Polymorphisme des Génomes Végétaux (EPGV) UR1279, Centre National de Génotypage (CNG), 2 rue Gaston Crémieux 91057, CP5721, Evry cedex, France
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Mojska H, Gielecińska I, Marecka D, Kłys W. [Study of the influence of raw material and processing conditions on acrylamide level in fried potato chips]. Rocz Panstw Zakl Hig 2008; 59:163-172. [PMID: 18807914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
Abstract
The aim of our study was to examine relation between the asparagine level in raw material and acrylamide concentration in chips made from different varieties of potato. Relation between colour of potato chips and acrylamide content was also examined. Acrylamide concentration in fried potato chips ranged from 376 to 2348 microg/kg. We found the lowest acrylamide content in potato chips made from the Plant Breeding and Acclimatization Institute Irga and the highest in Irga bought in the Warsaw market. We didn't find significant correlation between the asparagine content in raw material and the acrylamide level in potato chips (r = -0.13). The colour intensity of fried chips positively correlated with acrylamide concentration independently from the potato varieties and sequence of frying (r = 0.8045; p < 0.005).
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Affiliation(s)
- Hanna Mojska
- Zakład Bezpieczeństwa Zywności i Zywienia, Instytut Zywności i Zywienia, 02-903 Warszawa, ul. Powsińska 61/63.
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Panahandeh J, Valizadeh M, Khosroshahly M, Yermishin A, Khoei FR. Assessment of the possibility of direct crossing between cultivated potato and two wild allotetraploid relatives. Pak J Biol Sci 2007; 10:2002-2007. [PMID: 19093439 DOI: 10.3923/pjbs.2007.2002.2007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The cultivated potato Solanum tuberosum L. is an autotetraploid with Endosperm Balance Number (EBN) of 4. There are some allotetraploid 2EBN wild species with desirable traits for potato improvement. However, it is very difficult to cross between these two groups due to differences in EBN. Eleven genotypes of autotetraploid cultivated potato including the six cultivars of subsp. Tuberosum (tbr) and five clones of subsp. Andigena (adg) were crossed with two wild allotetraploid species: S. acaule (acl) and S. stoloniferum (sto). For asses the pollen-pistil incompatibility, some ofpollinated flowers were fixed in Carnoy's solution and stained with aniline blue. Evaluation with fluorescent microscope revealed that pre-zygotic pollen-pistil incompatibility in these crosses is frequent. The pistils of both subsp. of cultivated potato were incompatible with pollens of acl but when sto used as staminate parent it was compatible with five cultivars of subsp. Tuberosum, but incompatible with most ofsubsp. Andigena (4 clones). From 739, 4x, 4EBN x 4x, 2EBN crosses we couldn't get any viable seed. In reciprocal crosses, allotetraploid species were pollinated with a mix of pollens from Tuberosum or Andigena clones. The crosses of sto x adg, acl x adg and acl x tbr were compatible but in the case of sto x tbr the situation was not clear. From these crosses 157 fruits were obtained but most of them contained only shrink seed and we find just one hybrid from the sto x tbr combination. The hybrid was tetraploid (2n = 4x = 48) and vigorous with profuse flowering and good fertility. When this hybrid was used as the pistillate parent it was compatible with both parental species.
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Affiliation(s)
- J Panahandeh
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tabriz, Iran
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50
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Velásquez AC, Mihovilovich E, Bonierbale M. Genetic characterization and mapping of major gene resistance to potato leafroll virus in Solanumtuberosum ssp. andigena. Theor Appl Genet 2007; 114:1051-8. [PMID: 17394033 DOI: 10.1007/s00122-006-0498-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2006] [Accepted: 12/22/2006] [Indexed: 05/14/2023]
Abstract
Major gene inheritance of resistance to Potato leafroll virus (PLRV) was demonstrated in a parthenogenic population derived from the highly resistant tetraploid andigena landrace, LOP-868. This major gene or chromosome region seems to control a single mechanism for resistance to infection and virus accumulation in this source. About 149 dihaploid lines segregated in a ratio of 107 resistant to 32 susceptible, fitting the expected ratio for inheritance of a duplex gene under random chromatid segregation. A tetraploid AFLP map was constructed using as reference the ultra high density (UHD) map. All AFLP markers associated with PLRV resistance mapped to the same linkage group. Map position was confirmed by analysis of previously-mapped SSR markers. Rl (adg) is located on the upper arm of chromosome V, at 1 cM from its most closely linked AFLP marker, E35M48.192. This marker will be used to develop allele-specific primers or a pair of flanking PCR-based markers for their use in marker assisted selection.
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Affiliation(s)
- A C Velásquez
- International Potato Center, PO Box 1558, Lima 12, Peru
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