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Arabidopsis Aspartic Protease ASPG1 Affects Seed Dormancy, Seed Longevity and Seed Germination.

Plant & cell physiology - 1 Jul 2018

Shen Wenzhong, Yao Xuan, Ye Tiantian, Ma Sheng, Liu Xiong, Yin Xiaoming, Wu Yan

Abstract excerpt

Seed storage proteins (SSPs) provide free amino acids and energy for the process of seed germination. Although degradation of SSPs by the aspartic proteases isolated from seeds has been documented in vitro, there is still no genetic evidence for involvement of aspartic proteases in seed germination. Here we report that the aspartic protease ASPG1 (ASPARTIC PROTEASE IN GUARD CELL 1) plays an important role in the...

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Aspartic Acid Endopeptidases
Germination
Gibberellins
Plant Dormancy
Seed Storage Proteins

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PMID: 29648652
DOI: 10.1093/pcp/pcy070

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