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Marker assisted selection or marker aided selection (MAS) is an indirect selection process where a trait of interest is selected based on a marker (morphological, biochemical or DNA/RNA variation) linked to a trait of interest (e.g. productivity, disease resistance, abiotic stress tolerance, and quality), rather than on the trait itself.
Molecular breeding is the application of molecular biology tools, often in plant breeding [1] [2] and animal breeding. [3] [4] In the broad sense, molecular breeding can be defined as the use of genetic manipulation performed at the level of DNA to improve traits of interest in plants and animals, and it may also include genetic engineering or gene manipulation, molecular marker-assisted ...
Based on the presence or absence of MITE family Heartbreaker (Hbr) in maize genome, a molecular marker was developed. These Hbr markers have been proved to be stable, uniformly distributed in maize genome. A study by Casa et al. showed that HBr markers could be used along with other molecular markers to study genotype of related maize inbred ...
An identifiable marker may help follow particular traits of interest when crossing between different genus or species, with the hopes of transferring particular traits to offspring. One example of using molecular markers in identifying a particular trait within a plant is, Fusarium head blight in wheat. Fusarium head blight can be a devastating ...
Molecular genetic markers can be divided into two classes: a) biochemical markers which detect variation at the gene product level such as changes in proteins and amino acids and b) molecular markers which detect variation at the DNA level such as nucleotide changes: deletion, duplication, inversion and/or insertion.
"Molecular Markers and Genetic Mapping". Oilseeds. Vol. 2 of Genome Mapping and Molecular Breeding in Plants. Springer. p. 88. ISBN 978-3540343875. Li, G.; Quiros, C. F. (2001). "Sequence Related Amplified Polymorphism (SRAP) A New Marker System Based on a Simple PCR Reaction: Its Application to Mapping and Gene Tagging in Brassica".
Agricultural biotechnology, also known as agritech, is an area of agricultural science involving the use of scientific tools and techniques, including genetic engineering, molecular markers, molecular diagnostics, vaccines, and tissue culture, to modify living organisms: plants, animals, and microorganisms. [1]
Pathogen-associated molecular patterns (PAMPs) are small molecular motifs conserved within a class of microbes, but not present in the host. [1] They are recognized by toll-like receptors (TLRs) and other pattern recognition receptors (PRRs) in both plants and animals. [ 2 ]