globalchange  > 气候变化与战略
DOI: 10.1016/j.plaphy.2019.12.016
论文题名:
Nuclease and ribonuclease activities in response to salt stress: Identification of PvRNS3, a T2/S-like ribonuclease induced in common bean radicles by salt stress
作者: Diaz-Baena M.; Galvez-Valdivieso G.; Delgado-Garcia E.; Pineda M.; Piedras P.
刊名: Plant Physiology and Biochemistry
ISSN: 9819428
出版年: 2020
卷: 147
语种: 英语
英文关键词: Nutrient recycling ; Phaseolus vulgaris ; Ribonuclease ; Salt stress
英文摘要: The increase in soil salinization due to global climate change could cause large losses in crop productivity affecting, among other biological processes, to germination and seedling development. We have studied how salt stress affects nucleic acid degrading activities in radicles of common bean during seedling development. In radicles of common bean, a main nuclease of 37 kDa and two ribonucleases of 17 and 19 kDa were detected. Saline stress did not alter these three activities but induced a new ribonuclease of 16 kDa. All three ribonucleases are acidic enzymes that were inhibited by Zn. The 16 and 17 kDa ribonucleases are inhibited by guanilates. In the genome of common bean, we have identified 13 genes belonging to the T2 ribonuclease family and that are grouped in the 3 classes of T2 ribonucleases. The analysis of the expression of the 3 genes belonging to Class I (PvRNS1 to 3) and the unique gene from Class II (PvRNS4) in radicles showed that PvRNS3 is highly induced under salt stress. © 2019 Elsevier Masson SAS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159818
Appears in Collections:气候变化与战略

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作者单位: Departamento de Botánica, Ecología y Fisiología Vegetal, Plants Molecular Physiology and Biotechnology Group, Campus de Rabanales, Edif. Severo Ochoa, Universidad de Córdoba, Córdoba, Spain

Recommended Citation:
Diaz-Baena M.,Galvez-Valdivieso G.,Delgado-Garcia E.,et al. Nuclease and ribonuclease activities in response to salt stress: Identification of PvRNS3, a T2/S-like ribonuclease induced in common bean radicles by salt stress[J]. Plant Physiology and Biochemistry,2020-01-01,147
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