Analysis of microsatellite variation in Pinus radiata reveals effects of genetic drift but no recent bottlenecks (Record no. 41865)

MARC details
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625124703.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-7537
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245 10 - TITLE STATEMENT
Title Analysis of microsatellite variation in Pinus radiata reveals effects of genetic drift but no recent bottlenecks
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Evolutionary Biology, 19, p.167-175, 2006
520 3# - SUMMARY, ETC.
Summary, etc. Most conifer species occur in large continuous populations, but radiata pine, Pinus radiata, occurs only in five disjunctive natural populations in California and Mexico. The Mexican island populations were presumably colonized from the mainland millions of years ago. According to Axelrod (1981), the mainland populations are relicts of an earlier much wider distribution, reduced some 8000 years ago, whereas according to Millar (1997, 2000), the patchy metapopulation-like structure is typical of the long-term population demography of the species. We used 19 highly polymorphic microsatellite loci to describe population structure and to search for signs of the dynamics of population demography over space and time. Frequencies of null alleles at microsatellite loci were estimated using an approach based on the probability of identity by descent. Microsatellite genetic diversities were high in all populations [expected heterozygosity (He)¼ 0.68-0.77], but the island populations had significantly lower estimates. Variation between loci in genetic differentiation (FST)was high, but no locus deviated statistically significantly from the rest at an experiment wide level of 0.05. Thus, all loci were included in subsequent analysis. The average differentiation was measured as ST ¼ 0.14 (SD 0.012), comparable with earlier allozyme results. The island populations were more diverged from the other populations and from an inferred common ancestral gene pool than the mainland ones. All populations showed a deficiency of expected heterozygosity given the number of alleles, the mainland populations more so than the island ones. The results thus do not support a recent important contraction in the mainland range of radiata pine.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element BOTTLENECK
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element EFFECTIVE POPULATION SIZE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MICROSATELLITE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MUTATION-DRIFT EQUILIBRIUM
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element NULL ALLELES
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PINUS RADIATA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element POPULATION STRUCTURE
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Karhu, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Vogl, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Moran, G.F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Bell, J. C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Savolainen, O.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1nRrAaGiVz4FmkabCMS7zLljIkmtgHPUn/view?usp=drivesdk">https://drive.google.com/file/d/1nRrAaGiVz4FmkabCMS7zLljIkmtgHPUn/view?usp=drivesdk</a>
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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-7537 25.06.2025 25.06.2025 Documentos solicitados