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Advances in identification methods of alien genomic components in plants / 生物工程学报
Chinese Journal of Biotechnology ; (12): 2703-2718, 2021.
Article in Chinese | WPRIM | ID: wpr-887835
ABSTRACT
Plants with alien genomic components (alien chromosomes / chromosomal fragments / genes) are important materials for genomic research and crop improvement. To date, four strategies based on trait observation, chromosome analysis, specific proteins, and DNA sequences have been developed for the identification of alien genomic components. Among them, DNA sequence-based molecular markers are mainly used to identify alien genomic components. This review summarized several molecular markers for identification of alien genomic components in wheat, cabbage and other important crops. We also compared the characteristics of nine common molecular markers, such as simple sequence repeat (SSR), insertion-deletion (InDel) and single nucleotide polymorphism (SNP). In general, the accuracy of using a combination of different identification methods is higher than using a single identification method. We analyzed the application of different combination of identification methods, and provided the best combination for wheat, brassica and other crops. High-throughput detection can be easily achieved by using the new generation molecular markers such as InDel and SNP, which can be used to determine the precise localization of alien introgression genes. To increase the identification efficiency, other new identification methods, such as microarray comparative genomic hybridization (array-CGH) and suppression subtractive hybridization (SSH), may also be included.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Triticum / Genome, Plant / Genomics / Chromosomes, Plant / Comparative Genomic Hybridization Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Triticum / Genome, Plant / Genomics / Chromosomes, Plant / Comparative Genomic Hybridization Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2021 Type: Article