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Gene for parthenogenesis

A parthenogenetic, gene technology, applied in genetic engineering, biochemical equipment and methods, peptide sources, etc., can solve the problems of locational cloning difficulties and so on

Pending Publication Date: 2021-12-31
主基因有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this is not an easy task, as natural apomicts often have polyploid genomes, and locating clones in polyploids is very difficult

Method used

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  • Gene for parthenogenesis
  • Gene for parthenogenesis
  • Gene for parthenogenesis

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Embodiment Construction

[0071] Nucleotide sequences according to the invention

[0072] The inventors identified for the first time the genes, coding sequences, promoters, 3'UTRs and proteins responsible for parthenogenesis. The genetic sequence, promoter sequence, coding sequence and 3'UTR sequence are located on the Par allele. The present inventors also identified the sexual counterpart located on the Par allele, ie the genetic sequence, promoter sequence, coding sequence and 3'UTR sequence on the par allele. As the sexual counterparts of the dominant alleles that cause parthenogenesis, these par alleles are also indicated herein as being associated with parthenogenesis, although their presence does not contribute to the parthenogenetic phenotype because the par The presence of alleles can indicate a sexual phenotype, ie a non-parthenogenetic phenotype. Since the Par allele can be a dominant allele, confirmation of a sexual phenotype may require assessment of all alleles at the Par locus as par...

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Abstract

The invention provides the nucleotide sequence and amino acid sequences of the parthenogenesis gene of Taraxacum as well as (functional) homologues, fragments and variants thereof, which provides parthenogenesis as a part of apomixis. Also parthenogenetic plants and methods for making these are provided, as are molecular markers and methods of using these.

Description

[0001] field of invention [0002] The present invention relates to the field of biotechnology, in particular to plant biotechnology including plant breeding. In particular, the invention relates to the identification and use of useful genes associated with, for example, apomixis and haploid induction. The invention particularly relates to genes associated with parthenogenesis, and encoded proteins, and fragments of both. The invention also relates to methods for inhibiting and / or inducing parthenogenesis in plants and crops, the use of genes and / or proteins or fragments thereof for apomixis (in particular in combination with an apomictic gene), or for producing The use of haploid plants in which chromosomes can be doubled to produce double haploids. Background technique [0003] Apomixis (also known as agamospermy) is asexual plant reproduction by seed. Apomixis has been reported to be found in approximately 400 species of flowering plants (Bicknell and Koltunow, 2004). A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07K14/415C12N15/82
CPCC07K14/415C12N15/8287
Inventor C·J·安德伍德D·里格拉P·J·范戴克R·H·M·奥普德恩坎普M·E·施兰茨C·A·费韦贝赫
Owner 主基因有限公司
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