Heavy metal binding protein gene from Methylobacterium extorquens, and its anti-heavy metal application

Abstract

A heavy metal binding protein gene from Methylobacterium extorquens is transferred to a plant to make the obtained transgenic plant have an increased anti-heavy metal effect. The the heavy metal binding protein gene synthesized according to plant biased codons contains 234 bases and codes 73 amino acids; and the nucleotide sequence of the gene is represented by SEQ ID NO:1, and the sequence of the amino acids coded by the gene is represented by SEQ ID NO:2. The heavy metal binding protein gene from Methylobacterium extorquens is artificially synthesized, and the transgenic plant has a high anti-heavy metal property.

Description

technical field

[0001] The invention belongs to the field of genetic breeding, and specifically relates to a sequence of a heavy metal binding protein gene derived from Methylobacterium extorquens, which is transformed into plants by using Agrobacterium to improve the metal resistance ability of plants. Background technique

[0002] With the rapid development of modern industry and agriculture and the rapid expansion of cities, the heavy metal pollution in the natural environment is becoming more and more serious. Every year due to heavy metal pollution, the production of grain is reduced by more than 10 million tons, and the grain polluted by heavy metals reaches 12 million tons every year, and the annual economic loss is more than 20 billion. Traditional soil heavy metal pollution remediation technologies include landfill method, dilution method, leaching method, physical separation method and chemical method, etc. Due to high cost, low efficiency, and damage to the soil s...

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