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Semen-Like Floral Scents and Pollination Biology of a Sapromyophilous Plant Stemona japonica (Stemonaceae)
Chen, Gao1; Juergens, Andreas2; Shao, Lidong3,4; Liu, Yang5; Sun, Weibang1; Xia, Chengfeng3; Sun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Yunnan,Peoples R China.; wbsun@mail.kib.ac.cn; xiachengfeng@mail.kib.ac.cn
2015-03-01
Source PublicationJOURNAL OF CHEMICAL ECOLOGY
Volume41Issue:3Pages:244-252
AbstractBy emitting scent resembling that of organic material suitable for oviposition and/or consumption by flies, sapromyophilous flowers use these flies as pollinators. To date, intensive scent analyses of such flowers have been restricted to Apocynaceae, Annonaceae, and Araceae. Recent studies have suggested that the wide range of volatile organic compounds (VOCs) from sapromyophilous flowers play an important role in attracting saprophagous flies by mimicking different types of decomposing substrates (herbivore and carnivore feces, carrion, and the fruiting bodies of fungi, etc.). In this study, we report the flower visitors and the floral VOCs of Stemona japonica (Blume) Miquel, a species native to China. The flowers do not produce rewards, and pollinators were not observed consuming pollen, thus suggesting a deceptive pollination system. Headspace samples of the floral scent were collected via solid-phase micro-extraction and analysed by gas chromatography coupled with mass spectrometry. Main floral scent compounds were 1-pyrroline (59.2 %), 2-methyl-1-butanol (27.2 %), and 3-methyl-1-butanol (8.8 %), and resulted in a semen-like odor of blooming flowers. The floral constituents of S. japonica were significantly different from those found in previous sapromyophilous plants. An olfaction test indicated that 1-pyrroline is responsible for the semen-like odor in S. japonica flowers. Main flower visitors were shoot flies of the genus Atherigona (Muscidae). Bioassays using a mixture of all identified floral volatiles revealed that the synthetic volatiles can attract Atherigona flies in natural habitats. Our results suggest that the foul-smelling flowers of S. japonica may represent a new type of sapromyophily through scent mimicry.
Keyword1-pyrroline Deceit Pollination Gc/ms Atherigona Stemonaceae Mimics
Subject AreaBiochemistry & Molecular Biology ; Ecology
DOI10.1007/s10886-015-0563-0
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Environmental Sciences & Ecology
WOS SubjectBiochemistry & Molecular Biology ; Ecology
WOS IDWOS:000353397400003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/19355
Collection资源植物与生物技术所级重点实验室
Corresponding AuthorSun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Yunnan,Peoples R China.; wbsun@mail.kib.ac.cn; xiachengfeng@mail.kib.ac.cn
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming 650204, Yunnan, Peoples R China
2.Univ KwaZulu Natal, Sch Life Sci, ZA-3209 Pietermaritzburg, South Africa
3.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650204, Yunnan, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Shenzhen Ctr Dis Control & Prevent, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Chen, Gao,Juergens, Andreas,Shao, Lidong,et al. Semen-Like Floral Scents and Pollination Biology of a Sapromyophilous Plant Stemona japonica (Stemonaceae)[J]. JOURNAL OF CHEMICAL ECOLOGY,2015,41(3):244-252.
APA Chen, Gao.,Juergens, Andreas.,Shao, Lidong.,Liu, Yang.,Sun, Weibang.,...&xiachengfeng@mail.kib.ac.cn.(2015).Semen-Like Floral Scents and Pollination Biology of a Sapromyophilous Plant Stemona japonica (Stemonaceae).JOURNAL OF CHEMICAL ECOLOGY,41(3),244-252.
MLA Chen, Gao,et al."Semen-Like Floral Scents and Pollination Biology of a Sapromyophilous Plant Stemona japonica (Stemonaceae)".JOURNAL OF CHEMICAL ECOLOGY 41.3(2015):244-252.
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