ArticleBMC plant biology2013
Natural variation in floral nectar proteins of two Nicotiana attenuata accessions.
Article in BMC plant biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Influence of drought stress on the metabolite and ion composition in nectar and nectaries of different day- and night-flowering Nicotiana species.Plant biology (Stuttgart, Germany) · 2026Article
- MYC2 and MYC3 orchestrate pith lignification to defend Nicotiana attenuata stems against a stem-boring weevil.The New phytologist · 2025Article
- Symbioses shape feeding niches and diversification across insects.Nature ecology & evolution · 2023Article
- Comparison of the gut microbiome of sacbrood virus-resistant and -susceptible Apis cerana from South Korea.Scientific reports · 2022Article
- Integrative analysis of transcriptome and proteome revealed nectary and nectar traits in the plant-pollinator interaction of Nitraria tangutorum Bobrov.BMC plant biology · 2021Article
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- Evolutionary ecology of nectar.Annals of botany · 2019Review
- What Do Nectarivorous Bats Like? Nectar Composition in Bromeliaceae With Special Emphasis on Bat-Pollinated Species.Frontiers in plant science · 2019Article
- The major nectar protein of Brassica rapa is a non-specific lipid transfer protein, BrLTP2.1, with strong antifungal activity.Journal of experimental botany · 2018Article
- Nectar Sugar Modulation and Cell Wall Invertases in the Nectaries of Day- and Night- FloweringFrontiers in plant science · 2018Article
- Common Features Between the Proteomes of Floral and Extrafloral Nectar From the Castor Plant (Frontiers in plant science · 2018Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundFloral nectar (FN) contains not only energy-rich compounds to attract pollinators, but also defense chemicals and several proteins. However, proteomic analysis of FN has been hampered by the lack of publically available sequence information from nectar-producing plants. Here we used next-generation sequencing and advanced proteomics to profile FN proteins in the opportunistic outcrossing wild tobacco, Nicotiana attenuata.
resultsWe constructed a transcriptome database of N. attenuata and characterized its nectar proteome using LC-MS/MS. The FN proteins of N. attenuata included nectarins, sugar-cleaving enzymes (glucosidase, galactosidase, and xylosidase), RNases, pathogen-related proteins, and lipid transfer proteins. Natural variation in FN proteins of eleven N. attenuata accessions revealed a negative relationship between the accumulation of two abundant proteins, nectarin1b and nectarin5. In addition, microarray analysis of nectary tissues revealed that protein accumulation in FN is not simply correlated with the accumulation of transcripts encoding FN proteins and identified a group of genes that were specifically expressed in the nectary.
conclusionsNatural variation of identified FN proteins in the ecological model plant N. attenuata suggests that nectar chemistry may have a complex function in plant-pollinator-microbe interactions.
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