Construction and Use of Genetic Maps in Cereals

Motto, M.; Marsan, P. Ajmone

doi:10.1007/978-94-017-2356-5_13

Cited by 2 publications

(2 citation statements)

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“…Researchers employ molecular markers to improve the efficiency for selecting the genes of interest. This application has been well established in most of the higher plants, for example, rice, tomato, wheat and barley (Motto and Marsan 2002). Molecular markers technologies are employed to improve the Plant breeding programmers ability to identify breeding lines, hybrids and cultivars, to assess genetic diversity in a germplasm and phylogenetic relationship (Gupta et al 1999;Jain et al 2002).…”

Section: Linkage Analysis and Qtl Mappingmentioning

confidence: 98%

“…Genetic linkage maps have been the cornerstone for this goal over the past decade. They provide information for analysis of QTLs, understanding genetic variation in germplasm collections, gene tagging, gene cloning and MAS (Motto and Marsan 2002). Besides the above, the known function of gene markers have also contributed to constitute a functional genetic map.…”

Section: Linkage Analysis and Qtl Mappingmentioning

confidence: 99%

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Chilli Anthracnose: A Review of Causal Organism, Resistance Source and Mapping of Gene

Garg

Loganathan

Saha

et al. 2014

Microbial Diversity and Biotechnology in Food Security

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Anthracnose disease is one of the major economic constraints to chilli production in tropical and subtropical regions of the world and it is gaining much attention towards causes of damage in the field. Growing understanding has been based on conventional methods of characterisation of Colletotrichum species and its interaction with the host but it was not clear enough to recognise the differentiation among species, host-pathogen relationship and genetics of resistance in chilli. In this chapter, emphasis has been made on the evaluation of the isolates of Colletotrichum capsici causing chilli anthracnose for their morphological and cultural characteristics, pathogenic variability on chilli fruits and genetic diversity with the help of random amplified polymorphism (RAPD-PCR) analysis and designated into different major clusters. Simultaneously, screening of Capsicum genotypes against anthracnose for testing the resistance has been highlighted under in vitro condition. Further, on the basis of inheritance and the segregation ratio of resistance to susceptibility, gene controlling resistance at different fruit maturity stages has been discussed. More importantly, by QTL mapping, distribution of resistance gene/s located on chromosomes by using simple sequence repeats (SSR) primers, linkage groups are indicated. A number of complementary resistant component (host-parasitic interaction) controlled by one or multiple genes with small quantification effects have been emphasized. This information will be valuable to overcome the use of agrochemicals, impact of environmental factors and in the management of this serious threat to chilli through the development of resistant varieties as a donor candidate in commercial and resistance-breeding program.

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Section: Linkage Analysis and Qtl Mappingmentioning

confidence: 98%

Section: Linkage Analysis and Qtl Mappingmentioning

confidence: 99%