Genetic diversity and population structure analysis of papaya (Carica papaya L.)germplasm using simple sequence repeat (SSR)markers (Record no. 55103)

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control field 20250625162459.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-21025
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Title Genetic diversity and population structure analysis of papaya (Carica papaya L.)germplasm using simple sequence repeat (SSR)markers
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Volume/sequential designation Genetic Resources and Crop Evolution, https://doi.org/10.1007/s10722-024-01883-x, 2024
520 3# - SUMMARY, ETC.
Summary, etc. Papaya (Carica papaya L.)is a versatile tropical fruit crop with economic and nutritional benefits. Assessing genetic diversity of the germplasm is essential for effective collection, conservation management and utilization of resources for breeding purposes. Genetic variability and population structure were studied for 55 papaya accessions including landraces, cultivars, and exotic collections, using 15 simple sequence repeat (SSR)markers. SSR analysis data revealed a total of 95 alleles with an average of 6.3 alleles per marker and an average heterozygosity of 0.75. All the markers were polymorphic, with an average PIC value of 0.72. The unweighted pair group method with arithmetic mean (UPGMA)dendrogram based on shared allele distance grouped the accessions into four main clusters. Genetic structure based on the structure algorithm identified two populations, whereas discriminant analysis of principal components revealed four distinct genetic clusters. Remarkably, these clusters were not linked to the geographic regions. The analysis of molecular variance (AMOVA)indicated a variation of 75 percent within individuals and 22 percent between populations. Fst?=?0.216 and Nm?=?0.205 showed moderate genetic relationship within populations. These findings have implications for marker-assisted breeding, improvement of conservation strategies, detection of duplicates, and framing policies for sustainable crop utilization.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PAPAYA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element GENETIC DIVERSITY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element POPULATION STRUCTURE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SSR
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element DAPC
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element UPGMA
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Leela, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Kavitha, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Soorianathasundaram, K.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/open?id=1sSHPYgTcYlnq3MytDir1SaMA2wZtpQDD&usp=drive_copy">https://drive.google.com/open?id=1sSHPYgTcYlnq3MytDir1SaMA2wZtpQDD&usp=drive_copy</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-21025 25.06.2025 25.06.2025 Documentos solicitados