Arid
DOI10.1007/s10531-022-02378-w
Genetic diversity and population genetic structure of three endemic species of Mammillaria (Cactaceae) from the Tehuacan Valley in central Mexico
Omar Lazaro-Castellanos, Jesus; Gonzalez, Dolores; Mata-Rosas, Martin; Arias, Salvador; Reverchon, Frederique
Corresponding AuthorLazaro-Castellanos, JO (corresponding author),Inst Ecol AC, Red Biodiversidad & Sistemat, Carretera Antigua Coatepec 351, Xalapa 91070, Veracruz, Mexico.
JournalBIODIVERSITY AND CONSERVATION
ISSN0960-3115
EISSN1572-9710
Year Published2022-02
Abstract in EnglishMammillaria hernandezii, M. dixanthocentron and M. lanata are endemic and threatened cactus species that inhabit the Tehuacan Valley, an arid zone in southern Mexico that has an important richness of cacti. Their populations have been exposed to habitat alteration and poaching. Available information regarding genetic diversity is limited, but necessary for their conservation, and collection and use of germplasm. We used microsatellite markers to determine genetic diversity and population genetic structure of six populations of M. hernandezii, four of M. dixanthocentron and a single recorded population for M. lanata. The levels of heterozygosity were moderate in the three species (M. hernandezii Ho = 0.46, M. dixanthocentron Ho = 0.45 and M. lanata Ho = 0.52), with significant differences in their allelic richness. The genetic differentiation between populations was significant in M. hernandezii (R-ST 0.22) and M. dixanthocentron (R-ST 0.17), with evidence of isolation by distance in M. dixanthocentron. Geographic isolation and inbreeding are the processes that seem to shape the genetic variability of populations and differentiation in these species. We identified three genetic groups for M. hernandezii, and five groups for M. dixanthocentron. Conservation and protection must be guaranteed in all three species, with special emphasis on populations with high genetic diversity and private alleles. Finally, we recommended establishing a program for the development of germplasm banks, to promote Mammillaria ssp. propagation as an emerging measure of ex situ conservation.
Keyword in EnglishCacti Conservation Endemic species Genetic groups
SubtypeArticle ; Early Access
Language英语
Indexed BySCI-E
WOS IDWOS:000756537400001
WOS KeywordCONSERVATION ; AMPLIFICATION ; DISTURBANCE ; SOFTWARE ; NUMBER ; CACTUS ; UNITS ; RARE
WOS SubjectBiodiversity Conservation ; Ecology ; Environmental Sciences
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/377286
Affiliation[Omar Lazaro-Castellanos, Jesus; Gonzalez, Dolores] Inst Ecol AC, Red Biodiversidad & Sistemat, Carretera Antigua Coatepec 351, Xalapa 91070, Veracruz, Mexico; [Mata-Rosas, Martin] Inst Ecol AC, Red Manejo Biotecnol Recursos, Carretera Antigua Coatepec 351, Xalapa 91070, Veracruz, Mexico; [Arias, Salvador] Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City 04510, DF, Mexico; [Reverchon, Frederique] Inst Ecol AC, Microbiol Ambiental Patzcuaro, Red Estudios Mol Avanzados, Av Lazaro Cardenas 253, Patzcuaro 61600, Michoacan, Mexico
Recommended Citation
GB/T 7714
Omar Lazaro-Castellanos, Jesus,Gonzalez, Dolores,Mata-Rosas, Martin,et al. Genetic diversity and population genetic structure of three endemic species of Mammillaria (Cactaceae) from the Tehuacan Valley in central Mexico[J],2022.
APA Omar Lazaro-Castellanos, Jesus,Gonzalez, Dolores,Mata-Rosas, Martin,Arias, Salvador,&Reverchon, Frederique.(2022).Genetic diversity and population genetic structure of three endemic species of Mammillaria (Cactaceae) from the Tehuacan Valley in central Mexico.BIODIVERSITY AND CONSERVATION.
MLA Omar Lazaro-Castellanos, Jesus,et al."Genetic diversity and population genetic structure of three endemic species of Mammillaria (Cactaceae) from the Tehuacan Valley in central Mexico".BIODIVERSITY AND CONSERVATION (2022).
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