Cryptomeria fortunei CfCCR gene and application thereof

A cedar and gene technology, applied in the field of plant molecular biology and genetic engineering, can solve the problems of lower lignin content, loose secondary wall structure, abnormal plant development, etc., to increase wood density, improve quality and quality, The effect of improving plant stress resistance
CN111139253AActive Publication Date: 2020-05-12NANJING FORESTRY UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING FORESTRY UNIV
Publication Date
2020-05-12

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Abstract

The invention discloses a cryptomeria fortunei CfCCR gene and an application thereof, belonging to the technical fields of plant molecular biology and gene engineering. The cryptomeria fortunei ligninsynthesis regulation CfCCR gene provided by the invention has a nucleotide sequence as shown in SEQ ID NO. 1, and the amino acid sequence of an expression protein of the cryptomeria fortunei lignin synthesis regulation CfCCR gene is as shown in SEQ ID NO. 2. The CfCCR gene is a key rate-limiting enzyme of a lignin synthesis specific pathway, regulates the expression of related genes for synthesizing lignin in plants through encoding protein, and plays an important role in biosynthesis and stress resistance of lignin. The tobacco transformed with the CfCCR gene is increased in lignin expression and developed in cell walls. Thus, the thickness of xylem cell walls in plant stems like cryptomeria fortunei can be changed by expressing the CfCCR gene, so the wood density is increased, and the wood quality and plant stress resistance are improved.
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Description

technical field

[0001] The invention belongs to the technical fields of plant molecular biology and genetic engineering, and specifically relates to a cedar CfCCR gene and its application Background technique

[0002] Cryptomeria fortunei (Cryptomeria fortunei) belongs to the Taxodiaceae (Taxodiaceae) Cryptomeria (CryptomeriaD.Don) plant, also known as the long-leaved peacock pine, tree, conical crown; bark reddish brown, fibrous, large branches in whorls, twigs thin Long, often drooping, with subulate leaves slightly curved inwards, curved inwards at the apex, and stomatal lines on the four sides. It is a unique tree species in my country and an important timber species. Its wood has a wide range of value and can also be used as ornamental plants and medicinals. The degree of lignification of cedar will affect the density of cedar wood, thus affecting the quality of cedar.

[0003] CCR plays a key role in the specific pathway of lignin synthesis. It is the first key enzyme ...

Claims

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