By Pushpendra K. Gupta, Rajeev Varshney
This booklet is the 1st of its type, the place twenty chapters written through specialists of foreign reputation, disguise all elements of cereal genomics study. in recent times genomics has develop into a thrust region of analysis in lifestyles sciences, and cereals, being an important workforce of plants, their genomes were subjected to intensive/extensive analyses. the data and the goods generated via cereal genomics study are already getting used for plant breeding via either, the marker assisted choice (MAS) and transgenic cereals. The parts lined during this e-book contain, improvement and use of every kind of molecular markers (including SNPs), development and use of molecular maps, learn of inhabitants genetics and domestication of cereals utilizing instruments of genomics examine, structural and useful genomics (including entire genome sequencing in Arabidopsis and rice), comparative genomics, QTLs (including epistatic and e-QTLs) and genes for resistance opposed to biotic and abiotic stresses, marker assisted choice (MAS), map-based cloning of genes/QTLs and using genomics learn for crop development. The e-book, hence, should still end up priceless not just for college students and lecturers, but additionally for the younger examine employees, who're beginning their study profession within the box of cereal genomics.
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Additional info for Cereal Genomics
Part of the difficulty in these cases is the accurate phenotyping and precise genetic analysis of genes in isolation. There is a need to correctly tag the genes and then use the gene tags to select for the correct allele combinations in hybrid plants. 2. Recurrent Parent Recovery In addition to the selection of desirable alleles that confer improved disease resistance or seed quality characteristics, molecular markers can also be used successfully to select for genomic constitution, and thus restore the recurrent parent background in a backcross breeding programme.
1997). , 2001). 5. 1. Gene Pyramiding Gene pyramiding is one of the most important applications of molecular markers since it is technically feasible using molecular markers and cannot be achieved easily through conventional methods of plant breeding. Markerassisted selection can certainly help in achieving durable disease resistance and/or high seed quality traits by assembling the required genes in one accession. A few reports of pyramiding of genes for disease resistance are also available in cereals.
A few reports of pyramiding of genes for disease resistance are also available in cereals. , (2000) mapped and Molecular marker systems in cereals 27 achieved pyramiding of four genes (Pi-tq5, Pi-tq, Pi-tq6, Pi-lm2) for rice blast (Pyricularia grisea) resistance located on chromosomes 2, 6,12 and 11 respectively. The lines carrying different combinations of these four genes were evaluated for blast resistance. Although, the genes do not operate in an additive fashion, the resistance to blast is more durable in three and four gene combinations, so that if one gene is defeated by an evolving pathogen, there are additional genes present to sustain blast resistance.
Cereal Genomics by Pushpendra K. Gupta, Rajeev Varshney