Lilium regale Wilson Dirigent similar protein gene LrDIR1 and application thereof

A protein and gene technology, applied in Minjiang lily Dirigent similar protein gene LrDIR1 and its application field, can solve the problems affecting the yield and quality of lily cut flowers, the decline of bulb quality, the scale rot and fall off, etc., achieve broad market application prospects and shorten the breeding cycle , cost-saving effect
CN113603757AActive Publication Date: 2021-11-05KUNMING UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KUNMING UNIV OF SCI & TECH
Publication Date
2021-11-05

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Abstract

The invention discloses a Lilium regale Wilson Dirigent similar protein gene LrDIR1. The nucleotide sequence of the Lilium regale Wilson Dirigent similar protein gene LrDIR1 is as shown in SEQ ID NO: 1, and a protein with an amino acid sequence as shown in SEQ ID NO: 2 is encoded. Through the related technology research of the functional genomics, the LrDef1 gene is proved to have a function of improving the antifungal ability of plants. The antifungal LrDIR1 gene disclosed by the invention is constructed on a plant expression vector and transferred into tobacco for overexpression, a transgenic tobacco plant has a very strong antifungal infection ability, and experimental results show that the transgenic tobacco subjected to LrDIR1 overexpression has resistance to infection of fusarium oxysporum and Phoma herbarum.
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Description

technical field

[0001] The invention relates to molecular biology and genetic engineering related technical fields, in particular to a Minjiang lily Dirigent-like protein gene with the ability to resist fungal infection LrDIR1 and applications. Background technique

[0002] During the growth process, plants are more or less under the stress of biotic or abiotic factors, which limit their growth and development to varying degrees, thus affecting the formation of final plant economic and yield traits. Among a variety of adverse stress factors, diseases caused by bacteria, fungi, and viruses are the main factors that endanger plant growth and development. Breeding resistant plant varieties and using pesticides are currently the main methods to solve the problem of plant diseases. The traditional breeding method has the disadvantages of long cycle, difficult to obtain the source of resistance, and the resistance of resistant varieties is easy to lose, so it cannot fundamentall...

Claims

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