Genetic and genomic approaches for R-gene mediated disease resistance in tomato: retrospects and prospects.
Genetic and genomic approaches for R-gene mediated disease resistance in tomato: retrospects and prospects.
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DOI：
10.1007/s00299-012-1234-z
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发表时间：
2012-06
影响因子：
6.2
通讯作者：
Frusciante, L.
中科院分区：
文献类型：
--
作者：
Ercolano, M. R.;Sanseverino, W.;Carli, P.;Ferriello, F.;Frusciante, L.
番茄是世界上最重要的蔬菜作物之一。管理这种作物的健康可能特别具有挑战性;作物抗性可能被新的病原体小种克服，而全球农业市场又引入了新的病原体。番茄被广泛用作抗性研究的模式植物，并且通过遗传和生物技术方法已经取得了很大进展。在本文中，我们说明了目前采用的基因组方法来保存抗性种质和促进抗性基因的研究和转移，我们描述了R-基因的基因组组织。模式的基因激活过程中的抗病反应，通过功能的方法确定，描绘。我们还描述了新的基因组技术，包括高通量DNA测序，大规模表达数据生产和比较杂交技术的使用所提供的机会，同时报告多方面的方法来实现遗传番茄病害控制。结合大量基因组和遗传数据的未来战略将能够在全球范围内可持续地加速新抗性品种的开发。这种战略的背景下，在这一领域获得的最新见解进行了讨论。
Tomato (Solanum lycopersicum) is one of the world’s most important vegetable crops. Managing the health of this crop can be particularly challenging; crop resistance may be overcome by new pathogen races while new pathogens have been introduced by global agricultural markets. Tomato is extensively used as a model plant for resistance studies and much has been attained through both genetic and biotechnological approaches. In this paper, we illustrate genomic methods currently employed to preserve resistant germplasm and to facilitate the study and transfer of resistance genes, and we describe the genomic organization of R-genes. Patterns of gene activation during disease resistance response, identified through functional approaches, are depicted. We also describe the opportunities offered by the use of new genomic technologies, including high-throughput DNA sequencing, large-scale expression data production and the comparative hybridization technique, whilst reporting multifaceted approaches to achieve genetic tomato disease control. Future strategies combining the huge amount of genomic and genetic data will be able to accelerate development of novel resistance varieties sustainably on a worldwide basis. Such strategies are discussed in the context of the latest insights obtained in this field.
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