|Table of Contents|

Comparative Analysis of Soybean 2S Albumin Gene(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2019年01期
Page:
16-24
Research Field:
Publishing date:

Info

Title:
Comparative Analysis of Soybean 2S Albumin Gene
Author(s):
WANG Di1; 2;  QIU Hong-mei2;  WANG Shu-ming2;  GAO Shu-qin2;  MA Xiao-ping2;  WANG Yang2;  ZHENG Da-hao1;  WANG Yue-qiang2
(1.Yanbian University, Yanji 133000, China; 2.Soybean Research Institute/National Engineering Research Center for Soybean, Jilin Academy of Agricultural Sciences, Changchun 130033, China)
Keywords:
Soybean; LTP; Evolutionary analysis; Differential expression
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2019.01.0016
Abstract:
2S albumin derived from the LTP gene family contains various physiologically active peptides such as animal trypsin inhibitors and allergens, which can cause allergic reactions in special populations, especially in children. In order to systematically analyze the encoding gene of 2S albumin, this study used bioinformatics analysis to obtain the full sequence, localization and transcript information of the 2S albumin gene, identified 30 soybean LTP family genes. The results of gene mapping indicated that 23.33% of the genes were arranged in tandem on the chromosome, reflecting the tandem repeat evolution of the family genes. And there are 22 non-specific lipid transporters, 1 extensin-like protein, 4 proline proteins, 2 seeds, 2S albumin and 1 stamen-specific proteins were obtained by gene function annotation. These proteins were divided into three groups based on phylogenetic analysis. Group I has extensin-like proteins, proline proteins, stamen-specific proteins and seeds to store 2S albumin, group II has 16 non-specific lipid transporters, and group III has 6 non-specific fat transfer proteins. The 2S albumin gene was specifically expressed in the late stage of seed development, and its expression level was significantly higher than other homologous genes,which provided guidance for further study of its function and theoretical support for the application of this gene in soybean quality improvement.

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Last Update: 2019-01-22