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The relationship between nutrients and gender conversion in male amur grape
Author(s)
HAILIN SHEN Research Institute of Pomology, Jilin Academy of Agricultural Science, Gongzhuling China; College of Horticulture, Shenyang Agricultural University, Shenyang China
ZHENDONG LIU College of Horticulture, Shenyang Agricultural University, Shenyang China
KE YAN Research Institute of Pomology, Jilin Academy of Agricultural Science,Gongzhuling China
LIREN ZOU Agriculture College of Yanbian University, Yanji China
CHU ZHANG Agriculture College of Yanbian University, Yanji China
YINING HUI College of Life Sciences, Jilin Agricultural University, Changchun China
JING YANG Agro-Biotechnology Research Institute, Jilin Academy of Agricultural Science, Changchun China
YINSHAN GUO College of Horticulture, Shenyang Agricultural University,Shenyang China
KUN LI College of Horticulture, Shenyang Agricultural University,Shenyang China
JINGHUI WEN Research Institute of Pomology, Jilin Academy of Agricultural Science, Gongzhuling China
XIUWU GUO Research Institute of Pomology, Jilin Academy of Agricultural Science, Gongzhuling China
Abstract
Amur grape (Vitis amurensis Rupr.) is a dioecious species. To elucidate the cause of pistil abortion in male amur grape from the perspective of nutrition, we performed a metabolic pathway analysis based on its transcriptome data and used optical microscopes to observe slices of the pistil of a male line during its development. Abnormality was found in its ovary shape and structure, and the expression of some genes in the glucose metabolism pathway changed, and the content of starch and protein in the ovule decreased during pistil development. These abnormities may thus serve as important contributors to pistil abortion in male flower. However, abortion could be eliminated by N1-(2-chloro-4-pyridyl)-N3-phenylurea (CPPU) treatment, which caused the recovery of functional pistil in male amur grape. Altogether, this study provides information from the perspective of nutrition regarding sex conversion mechanism in male amur grape and may promote sex determination studies in Vitis species.
Publication Details
Page(s) 1743-1752
DOI 10.30848/PJB2021-5(34)
Published Journal: Pakistan Journal of Botany, Volume: 53, Issue: 5, Year: 2021
Keywords
Gender Glucose metabolism Protein starch Vitis amurensis Pistil
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