Tomato gene SLMBP21 and application thereof

Abstract

The invention provides a tomato protein SLMBP21 and a tomato gene SLMBP21 for coding the protein, wherein the nucleotide sequence of the gene is shown in SEQ ID No.1. The invention has the advantages that the tomato gene SLMBP21 belongs to a tomato abscission zone developmental gene in an MADS-box gene family, is capable of inhibiting the expression of the gene SLMBP21 so as to obviously influence the development of a tomato abscission zone to produce a transgenic plant with no tomato abscission zone or an incompletely developed abscission zone. The tomato protein SLMBP21 can be used for solving the problems of blossom drop and fruit drop of various crops, vegetables, fruits and flowers and the problem of industrial picking of tomatoes; moreover, different form the situation that the development of inflorescence in a JOINTLESS mutant is affected, the development of inflorescence in the SLMBP21transgenic plant is not affected, which means that the gene SLMBP21 has higher application value.

Description

technical field [0001] The invention relates to the field of genetic engineering, in particular to a gene related to the development of a tomato detached area and its application in the process of organ shedding. Background technique [0002] Organ shedding is an important process in the process of plant development. The shedding of leaves, the shedding of flowers and fruits, and the cracking of fruit pods all belong to the category of organ shedding. At the same time, organ shedding is also an important agronomic trait, which affects the yield and quality of many crops, such as the flower and fruit drop of fruit trees that we are familiar with, and the bud drop and boll drop of cotton. The part where organ shedding occurs is called the abscission zone or abscission zone, which is the layer of smaller cells distributed at the base of the petiole, flower stalk, or fruiting stalk. Before the organ is about to fall off, the cell wall and intercellular layer of these layers of ...

AI Technical Summary

Problems solved by technology

In Arabidopsis, the genes of this subfamily have redundant functions, but the three SEP genes reported in tomato have different functions, indicating that the function of the genes of this subfamily in tomato is similar to that in Arabidopsis It may be very different, and the functions of two other SEP-like genes in tomato, LeMADS1 and SLMBP21 are currently unknown

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