Methods for inducing oocyte-like bodies in garlic and methods for oocyte-like body-mediated genetic transformation

By inducing transparent, sticky callus and FELB from garlic root explants under specific culture and light conditions, the lack of a garlic-based frog egg induction and genetic transformation system was solved, achieving efficient regeneration and genetic transformation of garlic, and improving garlic's reproductive efficiency and disease and pest resistance.

CN122397619APending Publication Date: 2026-07-17ZHOUKOU NORMAL UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHOUKOU NORMAL UNIV
Filing Date
2026-03-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

There are currently no systematic reports on the induction of FELB in garlic frog eggs and FELB-mediated genetic transformation systems, which limits the advancement of basic research and production applications of garlic and other lily family plants.

Method used

Using a specific culture medium formulation, garlic root explants were induced to produce transparent, sticky callus and FELB. Genetic transformation was carried out through FELB-mediated methods, including the use of plant growth regulators such as MS salt, MS organic, NAA, 2,4-D, and 6-BA. Combined with light and dark conditions, element starvation and carbon source starvation were designed to establish a garlic FELB-mediated regeneration and genetic transformation system.

Benefits of technology

The method efficiently induced FELB in garlic, successfully achieved the transformation of exogenous genes, established a stable regeneration and genetic transformation system, and improved the reproductive efficiency and disease and pest resistance of garlic.

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Abstract

本发明属于生物技术与组织培养领域,具体涉及大蒜类蛙卵体诱导发生方法及类蛙卵体介导遗传转化的方法。所述方法包括:培养大蒜无菌苗;黑暗条件下,诱导大蒜外植体产生透明粘性愈伤组织和FELB;诱导胚体萌发成再生苗;诱导再生苗生根,发育成为实生苗;农杆菌侵染大蒜外植体,对侵染后的大蒜外植体进行暗处孵育;筛选阳性FELB;诱导阳性FELB胚体萌发成阳性再生苗;诱导阳性再生苗生根,发育成为阳性实生苗。本发明可高效诱导出大蒜FELB,并通过FELB介导的方法成功转化外源基因,所建立的大蒜FELB介导的再生体系与遗传转化体系高效、稳定。
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