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Sun J, Tian K, Jing L, Niu Y, Lou Q, Chen H. Identification of characteristic aroma compounds for spicy in Iris lactea var. chinensis. PHYSIOLOGIA PLANTARUM 2023; 175:e14016. [PMID: 37882258 DOI: 10.1111/ppl.14016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 08/19/2023] [Indexed: 10/27/2023]
Abstract
Iris lactea var. chinensis (Fisch.) Koidz has a unique floral fragrance that differs from that of other Iris spp.; however, its characteristic aroma composition remains unknown. This study aimed to identify the floral fragrance components of I. lactea var. chinensis during different flowering stages using headspace solid-phase microextraction in conjunction with gas chromatography mass spectrometry, electronic nose, and sensory evaluation. During the three flowering phases (bud stage, bloom stage, and decay stage), 70 volatile organic compounds (VOCs), including 13 aldehydes, 13 esters, 11 alcohols, 10 alkanes, 8 ketones, 7 terpenes, 7 benzenoids, and 1 nitrogenous compound, were identified. According to principal component analysis, the primary VOCs were (-)-pinene, β-irone, methyl heptenone, phenylethanol, hexanol, and 2-pinene. A comparison of the differential VOCs across the different flowering stages using orthogonal partial least squares discriminant analysis and hierarchical clustering analysis revealed that 3-carene appeared only in the bud stage, whereas hexanol, ethyl caprate, ethyl caproate, linalool, (-)-pinene, and 2-pinene appeared or were present at significantly increased levels during the bloom stage. The phenylethanol, methyl heptenone, 3-methylheptane, and β-irone reached a peak in the decay stage. The odor activity value and sensory evaluation suggested that "spicy" is the most typical odor of I. lactea var. chinensis, mainly due to 2-methoxy-3-sec-butylpyrazine, which is rare in floral fragrances.
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Affiliation(s)
- Junming Sun
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
| | - Kexin Tian
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
| | - Lu Jing
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
| | - Yafei Niu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
| | - Qian Lou
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
| | - Hongwu Chen
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
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Abu Seri N, Abd Rahman A. Fireflies in South East Asia: Species Diversity, Distribution, and Habitat (2015-2021). PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE 2021; 44. [DOI: 10.47836/pjtas.44.4.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Fireflies are one of the most famous luminous insects that emit bioluminescence. The most famous fireflies in Southeast Asia are Pteroptyx , of the order Coleoptera and the Lampyridae family. This review paper combined the data on the species diversity and firefly distribution in Southeast Asian countries such as Malaysia, the Philippines, Indonesia, Cambodia, Myanmar, Singapore, Sri Lanka, Papua New Guinea, Laos, Thailand, and Vietnam published in 2015-2021. Some countries have limited data and no studies to identify firefly species and their habitat from 2015 to 2021; the data before 2015 was used. Furthermore, the lack of studies by Southeast Asian researchers regarding the richness of firefly species has been reviewed. Malaysian and Thailand researchers are among the forerunners in the study related to fireflies in the Southeast Asian region compared to other Southeast Asian countries. Lastly, not much is known about the display trees or habitat of fireflies in many areas such as the Philippines, Indonesia, Cambodia, Myanmar, Singapore, Sri Lanka, Papua New Guinea, Laos, Thailand, and Vietnam. More studies are warranted to be conducted in the future on firefly species and their habitat.
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Krivoruchko K, Goldshtein A, Boonman A, Eitan O, Ben-Simon J, Thong VD, Yovel Y. Fireflies produce ultrasonic clicks during flight as a potential aposematic anti-bat signal. iScience 2021; 24:102194. [PMID: 33733061 PMCID: PMC7937554 DOI: 10.1016/j.isci.2021.102194] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/29/2020] [Accepted: 02/10/2021] [Indexed: 11/21/2022] Open
Abstract
Fireflies are known for emitting light signals for intraspecific communication. However, in doing so, they reveal themselves to many potential nocturnal predators from a large distance. Therefore, many fireflies evolved unpalatable compounds and probably use their light signals as anti-predator aposematic signals. Fireflies are occasionally attacked by predators despite their warning flashes. Bats are among the most substantial potential firefly predators. Using their echolocation, bats might detect a firefly from a short distance and attack it in between two flashes. We thus aimed to examine whether fireflies use additional measures of warning, specifically focusing on sound signals. We recorded four species from different genera of fireflies in Vietnam and Israel and found that all of them generated ultrasonic clicks centered around bats' hearing range. Clicks were synchronized with the wingbeat and are probably produced by the wings. We hypothesize that ultrasonic clicks can serve as part of a multimodal aposematic display.
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Affiliation(s)
- Ksenia Krivoruchko
- Department of Neuroscience, Rappaport Research Institute and Faculty of Medicine, Technion, Haifa, Israel
| | - Aya Goldshtein
- School of Zoology, Faculty of Life sciences, Tel Aviv University, Tel Aviv, Israel
| | - Arjan Boonman
- School of Zoology, Faculty of Life sciences, Tel Aviv University, Tel Aviv, Israel
| | - Ofri Eitan
- School of Zoology, Faculty of Life sciences, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan Ben-Simon
- School of Zoology, Faculty of Life sciences, Tel Aviv University, Tel Aviv, Israel
| | - Vu Dinh Thong
- Institute of Ecology and Biological Resources, VAST, Cầu Giấy, Hà Nội, Vietnam
- Graduate University of Science and Technology, VAST, Cầu Giấy, Hà Nội, Vietnam
| | - Yossi Yovel
- School of Zoology, Faculty of Life sciences, Tel Aviv University, Tel Aviv, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
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Deyrup ST, Stagnitti NC, Perpetua MJ, Wong-Deyrup SW. Drug Discovery Insights from Medicinal Beetles in Traditional Chinese Medicine. Biomol Ther (Seoul) 2021; 29:105-126. [PMID: 33632986 PMCID: PMC7921859 DOI: 10.4062/biomolther.2020.229] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 11/23/2022] Open
Abstract
Traditional Chinese medicine (TCM) was the primary source of medical treatment for the people inhabiting East Asia for thousands of years. These ancient practices have incorporated a wide variety of materia medica including plants, animals and minerals. As modern sciences, including natural products chemistry, emerged, there became increasing efforts to explore the chemistry of this materia medica to find molecules responsible for their traditional use. Insects, including beetles have played an important role in TCM. In our survey of texts and review articles on TCM materia medica, we found 48 species of beetles from 34 genera in 14 different families that are used in TCM. This review covers the chemistry known from the beetles used in TCM, or in cases where a species used in these practices has not been chemically studied, we discuss the chemistry of closely related beetles. We also found several documented uses of beetles in Traditional Korean Medicine (TKM), and included them where appropriate. There are 129 chemical constituents of beetles discussed.
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Affiliation(s)
- Stephen T. Deyrup
- Department of Chemistry and Biochemistry, Siena College, Loudonville, NY 12309, USA
| | - Natalie C. Stagnitti
- Department of Chemistry and Biochemistry, Siena College, Loudonville, NY 12309, USA
| | | | - Siu Wah Wong-Deyrup
- The RNA Institute and Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
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Darragh K, Montejo‐Kovacevich G, Kozak KM, Morrison CR, Figueiredo CME, Ready JS, Salazar C, Linares M, Byers KJRP, Merrill RM, McMillan WO, Schulz S, Jiggins CD. Species specificity and intraspecific variation in the chemical profiles of Heliconius butterflies across a large geographic range. Ecol Evol 2020; 10:3895-3918. [PMID: 32489619 PMCID: PMC7244815 DOI: 10.1002/ece3.6079] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 02/01/2023] Open
Abstract
In many animals, mate choice is important for the maintenance of reproductive isolation between species. Traits important for mate choice and behavioral isolation are predicted to be under strong stabilizing selection within species; however, such traits can also exhibit variation at the population level driven by neutral and adaptive evolutionary processes. Here, we describe patterns of divergence among androconial and genital chemical profiles at inter- and intraspecific levels in mimetic Heliconius butterflies. Most variation in chemical bouquets was found between species, but there were also quantitative differences at the population level. We found a strong correlation between interspecific chemical and genetic divergence, but this correlation varied in intraspecific comparisons. We identified "indicator" compounds characteristic of particular species that included compounds already known to elicit a behavioral response, suggesting an approach for identification of candidate compounds for future behavioral studies in novel systems. Overall, the strong signal of species identity suggests a role for these compounds in species recognition, but with additional potentially neutral variation at the population level.
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Affiliation(s)
- Kathy Darragh
- Department of ZoologyUniversity of CambridgeCambridgeUK
- Smithsonian Tropical Research InstitutePanama CityPanama
| | | | | | - Colin R. Morrison
- Smithsonian Tropical Research InstitutePanama CityPanama
- Department of Integrative BiologyThe University of Texas at AustinAustinTXUSA
| | | | - Jonathan S. Ready
- Institute for Biological SciencesUniversidade Federal do ParáBelémBrazil
| | - Camilo Salazar
- Biology ProgramFaculty of Natural Sciences and MathematicsUniversidad del RosarioBogotaColombia
| | - Mauricio Linares
- Biology ProgramFaculty of Natural Sciences and MathematicsUniversidad del RosarioBogotaColombia
| | - Kelsey J. R. P. Byers
- Department of ZoologyUniversity of CambridgeCambridgeUK
- Smithsonian Tropical Research InstitutePanama CityPanama
| | - Richard M. Merrill
- Smithsonian Tropical Research InstitutePanama CityPanama
- Division of Evolutionary BiologyFaculty of BiologyLudwig‐Maximilians‐Universität MünchenMunichGermany
| | | | - Stefan Schulz
- Institute of Organic ChemistryTechnische Universität BraunschweigBraunschweigGermany
| | - Chris D. Jiggins
- Department of ZoologyUniversity of CambridgeCambridgeUK
- Smithsonian Tropical Research InstitutePanama CityPanama
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Page RA, Bernal XE. The challenge of detecting prey: Private and social information use in predatory bats. Funct Ecol 2019. [DOI: 10.1111/1365-2435.13439] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Ximena E. Bernal
- Smithsonian Tropical Research Institute Balboa Panamá
- Department of Biological Sciences Purdue University West Lafayette Indiana
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Leavell BC, Rubin JJ, McClure CJW, Miner KA, Branham MA, Barber JR. Fireflies thwart bat attack with multisensory warnings. SCIENCE ADVANCES 2018; 4:eaat6601. [PMID: 30140743 PMCID: PMC6105302 DOI: 10.1126/sciadv.aat6601] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 07/15/2018] [Indexed: 05/09/2023]
Abstract
Many defended animals prevent attacks by displaying warning signals that are highly conspicuous to their predators. We hypothesized that bioluminescing fireflies, widely known for their vibrant courtship signals, also advertise their noxiousness to echolocating bats. To test this postulate, we pit naïve big brown bats (Eptesicus fuscus) against chemically defended fireflies (Photinus pyralis) to examine whether and how these beetles transmit salient warnings to bats. We demonstrate that these nocturnal predators learn to avoid noxious fireflies using either vision or echolocation and that bats learn faster when integrating information from both sensory streams-providing fundamental evidence that multisensory integration increases the efficacy of warning signals in a natural predator-prey system. Our findings add support for a warning signal origin of firefly bioluminescence and suggest that bat predation may have driven evolution of firefly bioluminescence.
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Affiliation(s)
- Brian C. Leavell
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA
| | - Juliette J. Rubin
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA
| | - Christopher J. W. McClure
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA
- The Peregrine Fund, Boise, ID 83709, USA
| | - Krystie A. Miner
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA
| | - Marc A. Branham
- Department of Entomology and Nematology, University of Florida, Gainesville, FL 32611, USA
| | - Jesse R. Barber
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA
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Rojas B, Burdfield-Steel E, De Pasqual C, Gordon S, Hernández L, Mappes J, Nokelainen O, Rönkä K, Lindstedt C. Multimodal Aposematic Signals and Their Emerging Role in Mate Attraction. Front Ecol Evol 2018. [DOI: 10.3389/fevo.2018.00093] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Rojas B, Burdfield-Steel E, Pakkanen H, Suisto K, Maczka M, Schulz S, Mappes J. How to fight multiple enemies: target-specific chemical defences in an aposematic moth. Proc Biol Sci 2017; 284:20171424. [PMID: 28954910 PMCID: PMC5627206 DOI: 10.1098/rspb.2017.1424] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 08/25/2017] [Indexed: 11/12/2022] Open
Abstract
Animals have evolved different defensive strategies to survive predation, among which chemical defences are particularly widespread and diverse. Here we investigate the function of chemical defence diversity, hypothesizing that such diversity has evolved as a response to multiple enemies. The aposematic wood tiger moth (Arctia plantaginis) displays conspicuous hindwing coloration and secretes distinct defensive fluids from its thoracic glands and abdomen. We presented the two defensive fluids from laboratory-reared moths to two biologically relevant predators, birds and ants, and measured their reaction in controlled bioassays (no information on colour was provided). We found that defensive fluids are target-specific: thoracic fluids, and particularly 2-sec-butyl-3-methoxypyrazine, which they contain, deterred birds, but caused no aversive response in ants. By contrast, abdominal fluids were particularly deterrent to ants, while birds did not find them repellent. Our study, to our knowledge, is the first to show evidence of a single species producing separate chemical defences targeted to different predator types, highlighting the importance of taking into account complex predator communities in studies on the evolution of prey defence diversity.
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Affiliation(s)
- Bibiana Rojas
- Centre of Excellence in Biological Interactions, Department of Biology and Environmental Sciences, University of Jyväskylä, PO Box 35, Jyväskylä 40001, Finland
| | - Emily Burdfield-Steel
- Centre of Excellence in Biological Interactions, Department of Biology and Environmental Sciences, University of Jyväskylä, PO Box 35, Jyväskylä 40001, Finland
| | - Hannu Pakkanen
- Department of Chemistry, University of Jyväskylä, Survontie 9, Jyväskylä 40500, Finland
| | - Kaisa Suisto
- Centre of Excellence in Biological Interactions, Department of Biology and Environmental Sciences, University of Jyväskylä, PO Box 35, Jyväskylä 40001, Finland
| | - Michael Maczka
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Stefan Schulz
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Johanna Mappes
- Centre of Excellence in Biological Interactions, Department of Biology and Environmental Sciences, University of Jyväskylä, PO Box 35, Jyväskylä 40001, Finland
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