在按菌中绘制重组景观和基底性子数Agaricus bisporus
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Anton S M Sonnenberg1, Narges Sedaghat-Telgerd1, Brian Lavrijssen1
1Plant Breeding, Wageningen University and Research, Wageningen, Netherlands.
Frontiers in fungal biology
|September 25, 2023
概括
研究人员确定了影响胞数量和重组模式的遗传因素. 使用先进测序的新策略通过改进遗传分析,承诺更高效的繁殖.
科学领域:
- * 遗传学和基因组学
- * 植物和真菌生物学
背景情况:
- * 按 (Agaricus bisporus) 有两个品种,具有不同的子生产和重组模式.
- * 了解对子数量和重组的遗传控制对于繁殖和管理遗传联系至关重要.
研究的目的:
- * 确定控制基底性子数 (BSN) 和Agaricus bisporus中的重组景观 (CO分布) 的遗传决定因素.
- *克服绘制重组景观的挑战,并提出更有效的育种策略.
主要方法:
- *对同型和异型Agaricus bisporus品种之间的品种间杂交的分析.
- *对BSN和CO位置进行定量特征位置 (QTL) 映射.
- * 拟议的策略涉及使用多个映射种群和下一代测序.
主要成果:
- *发现了7个BSN的QTL,其中1号染色体上的QTL解释了55%的变异.
- *绘制了三个重组景观的QTL (两个在染色体1上,一个在染色体2上),与BSN QTL不同.
- *确定了重组景观绘制的挑战.
结论:
- *已定位了BSN和重组模式的遗传因素.
- * 提出了一种利用多个种群映射和下一代测序的新策略,以改善的遗传分析和繁殖.
- *这种方法旨在提高育种计划的效率.
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