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R2R3 MYB transcription factors promoting anthocyanin formation in orchids

A technology of transcription factors and anthocyanins, applied in genetic engineering, plant genetic improvement, plant peptides, etc., can solve the problem of insufficient molecular breeding and improvement, and achieve the effect of promoting accumulation

Active Publication Date: 2019-12-31
INST OF FORESTRY CHINESE ACAD OF FORESTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, compared to the huge taxa and rich color variations of Orchidaceae, as well as the diversity and specificity of homologous genes among species, only three R2R3 MYB transcription factors that can promote anthocyanin synthesis are important for future Orchidaceae flower color molecules. Breeding improvements are not enough

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  • R2R3 MYB transcription factors promoting anthocyanin formation in orchids

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Embodiment Construction

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0016] The technical solution provided by the present invention specifically is to separate and identify two R2R3 MYB transcription factors that can promote the synthesis of anthocyanins in flowers from Rhyncholaeliocattleya Beauty Girl 'KOVA' (KOVA), which are Rhyncholaeliocattleya Promoted Anthocyanin Pigmentation 1 (RcPAP1) and Rhyncholaeliocattleya Promoted Anthocyanin Pigmentation 2 (RcPAP2).

[0017] Among them, some members of the R2R3 MYB family can bind to the...

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Abstract

The invention discloses R2R3 MYB transcription factors promoting anthocyanin formation in two orchids. The transcription factors are shown in Figure 1 and Figure 2, and the transcription factors are isolated and identified from Cattleya. A transgenic material library of orchid ploants with a red flower trait can be enriched through corresponding transcription factors, and strong support for molecular breeding of orchids with the red flower trait in the future is provided.

Description

technical field [0001] The invention relates to the field of biotechnology, in particular to an R2R3 MYB transcription factor that promotes the formation of anthocyanins in orchids. Background technique [0002] Due to the special flower shape and rich flower color of orchids, many of their natural species and cultivars have high ornamental value and are widely popular in the world. Among them, Phalaenopsis spp., Oncidium spp. and Cattleya spp. are the most popular in the market, with the highest reputation and a wide variety of species. Flower color is one of the important ornamental characteristics of these orchids and a major contributor to their ornamental value. Therefore, it is one of the main goals of breeders to improve orchid flower color according to the preference of the market. [0003] At present, the main method of orchid breeding is through interspecific hybridization. In the breeding process, the randomness and blindness are high, and it usually takes a lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N15/29
CPCC07K14/415
Inventor 王雁李柏君
Owner INST OF FORESTRY CHINESE ACAD OF FORESTRY
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