Plant drought tolerance related protein oserf62 and its coding gene and application

A drought-tolerant, plant-based technology, applied in the direction of plant gene improvement, application, plant peptides, etc., can solve the problems of large chance, unstable varieties, long cycle of drought-resistant rice varieties, etc.
CN104341491BActive Publication Date: 2017-11-10CHINA AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA AGRI UNIV
Publication Date
2017-11-10

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Abstract

The invention discloses a plant drought resistance related protein OsERF62, its coding gene and application thereof. The protein provided by the invention is derived from upland rice, is named as OsERF62, and is composed of the amino acid sequences shown as sequence 1 in the sequence table. Experiments prove that, the recombinant expression vector 35S::OsERF62 containing a DNA molecule (i.e., the coding gene of the protein) shown as the 102nd-1106th position of sequence 2 in the sequence table is employed to transform paddy rice Nipponbare to obtain OsERF62 gene overexpressed T2 generation transgenic lines, and under the following 3 drought stress treatment, i.e. 200g / L PEG6000, 200mmol / L mannitol and soil water cut-off, the survival rates or growth vigor of the plants are both significantly higher than those of the wild type paddy rice Nipponbare. The invention provides a new gene and method for improving plant drought tolerance, thus having important significance in plant genetic improvement and drought tolerance study.
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Description

technical field

[0001] The invention relates to a plant drought tolerance related protein OsERF62 and its coding gene and application. Background technique

[0002] Abiotic stress is the main stress factor that affects the normal growth and development of plants and limits the increase of crop yield. At present, the impact of drought on crop production in the world ranks first among all stress factors, and its damage to crop growth is equivalent to the sum of all natural disasters, and has become a bottleneck in agricultural development in many places. Rice is one of the main food crops in the world and is the staple food for more than 60% of the population in my country. According to statistics, rice water accounts for about 70% of agricultural water use. Since 1997, my country's rice cultivation area has continued to shrink, and more than 20 million mu of rice suffers from drought every year, and even tens of millions of mu of rice cannot be planted. Therefore, overcomin...

Claims

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