Free amino acids in nectar: its composition and variability among bat-pollinated plants

被引：1

作者：

Rodriguez-Pena, Nelly ^{[1
]}

Stoner, Kathryn E. ^{[2
]}

Schondube, Jorge E. ^{[3
]}

Duran-Diaz, Angel ^{[4
]}

Barbo Hernandez-Portilla, Luis ^{[1
,5
]}

Mateo Flores-Ortiz, Cesar ^{[1
,5
]}

机构：

[1] Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, UBIPRO, Lab Fisiol Vegetal, Av Barrios 1, Tlalnepantla 54090, Estado De Mexic, Mexico

[2] Colorado State Univ, Wildlife & Conservat Biol, Dept Fish, Ft Collins, CO USA

[3] Univ Nacl Autonoma Mexico, Ctr Invest Ecosistemas, Apartado Postal 27-3 Xangari, Morelia 58089, Michoacan, Mexico

[4] Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Dept Bioestat, Av Barrios 1, Tlalnepantla 54090, Estado De Mexic, Mexico

[5] Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Lab Nacl Salud, Av Barrios 1, Tlalnepantla 54090, Estado De Mexic, Mexico

来源：

REVISTA MEXICANA DE BIODIVERSIDAD | 2021年 / 92卷

关键词：

Bat-pollinated plants; Free amino acid nectar types; Nectar chemistry; Nectar flavor; Pollination ecology; SUGAR COMPOSITION; FOOD SELECTION; FLORAL NECTAR; EFFECT SIZE; HONEY-BEES; PREFERENCES; DYNAMICS; PROTEIN; DIET;

D O I：

10.22201/ib.20078706e.2021.92.3560

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Regardless of the low concentrations at which amino acids are present in floral nectar of bat-pollinated plants, their role as nectar flavor providers and their influence on bats' foraging decisions have been recognized. Nevertheless, variation in the free amino acids among bat-pollinated plant species has been less studied. The goal of this study was to analyze the nectar free amino acids and to determine its variability among 8 bat-pollinated plant species from 5 families in a Tropical Dry Forest in Mexico. Nectar collections were made opportunistically depending on plants flowering season. We quantified 17 amino acids by HPLC. All 17 free amino acids were present in nectar from the 8 analyzed plant species. The concentration of 12 amino acids is explained by plant species by 19-58%. Analyses showed that Ceiba grand flora (Malvaceae) was significantly different in asparagine content when compared to Bahuinia pauletia (Fabaceae) and Ceiba aesculifolia (Malvaceae), and in glutamic acid when compared to Ipomoea ampullacea (Convolvulaceae). We discuss the importance of free amino acids in nectar among plant species and their influence on bat pollination ecology.

引用

页数：8

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