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Dark purple nectar as a foraging signal in a bird-pollinated Himalayan plant
Zhang, Feng-Ping1; Cai, Xiang-Hai2; Wang, Hong1; Ren, Zong-Xin3; Larson-Rabin, Zachary3; Li, De-Zhu1,3
2012
发表期刊NEW PHYTOLOGIST
ISSN0028-646X
卷号193期号:1页码:188-195
摘要Some plants secrete coloured nectar to attract pollinators, but little is known about the chemical origins of nectar colouration and its ecological function. Leucosceptrum canum stands out as the only plant with coloured nectar recorded in the Himalayas. Here, we focused on the compound associated with the dark colour of the nectar, as well as its secretion dynamics during the flowering season and its relationship to pollinators. Fresh nectar was analysed by semi-preparative reversed-phase high-performance liquid chromatography (HPLC), LC-MS and HRESIMS (high resolution electronspray ionization mass spectroscopy) to determine which compound causes the nectar colouration. Behavioural experiments were conducted with birds and honeybees to elucidate the effect of the nectar colour and volume on pollinators. We identified a purple anthocyanidin, 5-hydroxyflavylium, as a natural nectar product for the first time. Two short-billed birds were found to pollinate this plant, which employs two nectar-based mechanisms to direct bird pollinators to reproductively active flowers, controlling nectar palatability and presenting a foraging signal for birds by altering nectar volume and colour in a developmental stage-specific manner. 5-Hydroxyflavylium was found to be the cause of the nectar colouration, the function of which is to act as a foraging signal to increase pollination efficiency through nectar visibility and palatability.
关键词5-hydroxyflavylium Anthocyanidin Bird Pollinator Dark Purple Nectar Foraging Signal Himalayas Leucosceptrum Canum
资助信息Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany (KIB), Chinese Academy of Sciences (CAS)[2007CB411603, 52Y0264111L1]; Science Foundation of Yunnan Province, China[312010CD105]; State Key Laboratory of Phytochemistry and Plant Resources in West China, KIB, CAS[52P2010-KF05]; CAS[292010312D11036]
学科领域Plant Sciences
DOI10.1111/j.1469-8137.2011.03894.x
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000298300800021
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/10547
专题中国西南野生生物种质资源库
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Plant Germplasm & Genom Ctr, Germplasm Bank Wild Species, Kunming 650204, Peoples R China
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Zhang, Feng-Ping,Cai, Xiang-Hai,Wang, Hong,et al. Dark purple nectar as a foraging signal in a bird-pollinated Himalayan plant[J]. NEW PHYTOLOGIST,2012,193(1):188-195.
APA Zhang, Feng-Ping,Cai, Xiang-Hai,Wang, Hong,Ren, Zong-Xin,Larson-Rabin, Zachary,&Li, De-Zhu.(2012).Dark purple nectar as a foraging signal in a bird-pollinated Himalayan plant.NEW PHYTOLOGIST,193(1),188-195.
MLA Zhang, Feng-Ping,et al."Dark purple nectar as a foraging signal in a bird-pollinated Himalayan plant".NEW PHYTOLOGIST 193.1(2012):188-195.
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