Journal
TRENDS IN PLANT SCIENCE
Volume 16, Issue 4, Pages 191-200Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2011.01.003
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- Consejo Nacional de Ciencia y Tecnologia de Mexico (CONACyT) [160379]
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Nectar contains water, sugars and amino acids to attract pollinators and defenders and is protected from nectar robbers and microorganisms by secondary compounds and antimicrobial proteins. Floral and extrafloral nectar secretion can be induced by jasmonic acid, it is often adjusted to consumer identity and consumption rate and depends on invertase activity. Invertases are likely to play at least three roles: the uploading of sucrose from the phloem, carbohydrate mobilization during active secretion and the postsecretory adjustment of the sucrose:hexose ratio of nectar. However, it remains to be studied how plants produce and secrete non-carbohydrate components. More research is needed to understand how plants produce nectar, the most important mediator of their interactions with mutualistic animals.
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