The Putative Ser/Thr Protein Kinase Gene GmAAPK from Soybean is Regulated by Abiotic Stress

Osmotic stress caused by dehydration or high‐salt conditions poses a major environmental challenge for plant growth and development. Many studies have shown that protein kinases are important regulators during osmotic stress in plants. In the present study, we describe GmAAPK, a soybean (Glycine max...

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Bibliographic Details
Published in:Journal of integrative plant biology 2006-03, Vol.48 (3), p.327-333
Main Authors: Luo, Guang-Zuo, Wang, Yong-Jun, Xie, Zong-Ming, Gai, Jun-Yi, Zhang, Jin-Song, Chen, Shou-Yi
Format: Article
Language:English
Subjects:
abiotic stress
Glycine max
protein kinase
SnRK2
soybean
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Summary:Osmotic stress caused by dehydration or high‐salt conditions poses a major environmental challenge for plant growth and development. Many studies have shown that protein kinases are important regulators during osmotic stress in plants. In the present study, we describe GmAAPK, a soybean (Glycine max (L.) Merr.) gene coding for a putative serine/threonine protein kinase (abscisic acid (ABA)‐activated protein kinase (AAPK)). The cDNA for GmAAPK is 1 409 bp long and contains a single long open reading frame representing a complete coding region of 359 amino acids. GmAAPK was mapped onto the D1 a+Q linkage group. Its transcripts are expressed in all tissues, but at high levels in the cotyledon. GmAAPK mRNA was induced by polyethylene glycol, ABA, Ca2+, and Na+, but not cold (4 °C) treatments in soybean leaves. The results suggest that GmAAPK may participate in the regulatory process during osmotic stresses in soybean. (Managing editor: Li‐Hui Zhao)
ISSN:1672-9072
1744-7909
DOI:10.1111/j.1744-7909.2006.00169.x