Migrating molecules - genetic identity and difference among humpback whales world-wide

1 Pages·2001·0.29 MB·

by  C S Baker

458 ABSTRACTS
MIGRATING MOLECULES - GENETIC IDENTITY BAKER, C.S., FLOREZ-GONZALEZ, L., ABERNETHY, B.,
ANDDIFFERENCEAMONGHUMPBACKWHALES, ROSENBAUM, H.C., SLADE, R.W., CAPELLA, J. &
WORLD-WIDE. (ABSTRACT) Over the last decade, BANNISTER, JX. I99S. Mitochondrial DNA variation and
maternalgeneflowamonghumpbackwhalesoftheSouthern
molecular genetic investigations of skin biopsy samples Hemisphere. MarineMammal Science 14:721-737.
collected fromhumpbackwhales(Megapteranovaeangliae) BAKER,C.S.,MEDRANO-GONZALEZ,L..CALAMBOKIDTS.J.,
have provided a remarkable description of the social PERRY,A.,PICHLER,F.B.,ROSENBAUM,H.,STRALEY,
relationships,migratoryhabitsandhistorical demographyof J.M., URBAN-RAMIREZ, J., YAMAGUCHI, M. &
thhaivsecboesemnopuosleidtatontsepstecaineds.exItnenmdanpryevciaosuess,hygpenoetthiecsemsarbkaesresd ZmiItEoGchEoSnAdrRi,alO.DNV.A1v9a9r8i.atPioopnualamtoinognhsturmupctbuarcekofwhnaulcelesairnatnhde
ocanselso,ngt-hteeyrhmasvteudpireosviodfendatnuorvaelllyimnsairgkhtesdiinntdoitvhiedueavlosl.uItnioontahreyr BAKER2N,o0r0Ct0.h,S.P,PacrLiefEdiNic.cTtOMeo,dleGdc.euLcl.la,irnCeEIcPoolRfoIgpAyrNoO7t:,ec6t9Fe5.-d7&0w8hP.aAlLeUsMbBaIs,edS.oRn
dynamicsandhistoryofpopulations.HereIfirstreviewbasic moleculargeneticmonitoringofJapaneseandKoreanmarkets.
characteristicsofthemarkersusedforthesestudies,including ProceedingsoftheRoyalSociety,LondonB267:1191-1200.
sequence variation in mitochondrial (mt) DNA control BAKER,C.S.,PALUMBI.S.R..LAMBERTSEN.R.H.,WEINRICH.
region, lengthdifferencesinallelesofnuclearmicrosatellite M.T., CALAMBOKIDIS, J. & O'BRIEN, S.J. 1990. The
ilonctiro(nosraSnhdoerxtoTnsanodfefumncRteipoenaatlsn)u,claenadrgseenqeuse.nIctehevnarrieavtiioenwoorf 3mi4in4tf:olcu2he3on8nc-de2r4io0af.l DseNasAonhaalplomtiygpreastiionnhuomnpbtahcekdwihsatlreisb.utNioanturoef
minatrrkoidnugcefrsoemlepcutbeldisehxeadmoprleosngooifngthsetuadpipelsiicnatmiyonslaboofratthoersy,e BAKERA,BCE.SR.,NEPTERHRYY,,AR..,B.B,ANCNAILSATMEBRO,KJI.LD.,IWSE,INJR.,ICLHI,ENM,.TJ..,,
someofwhichwillbepresentedingreaterdetailbyothersat LAMBERTSEN, R.H.. URBAN-RAMIREZ,J.,VASQUEZ,
Humpback Whale Conference 2000, These include: the O., CLAPHAM, P.J., ALLING, A., O'BRIEN, SJ. &
identification of individuals in populations; analysis of PALUMBI, S.R. 1993. Abundant mitochondrial DNA
kinship among social groups; descriptions of maternally variation and world-wide population structure in humpback
directed fidelity to migratory destinations; evidence for whales.ProceedingsoftheNationalAcademyofScience,USA
sex-biasedgeneflowbetweenwinteringgrounds;estimation 90:8239-8243.
of long-term gene flow among oceans; and detecting C. ScottBaker, SchoolofBiologicalSciences, Universityof
humpbackwhaleproductsforsaleoncommercialmarketsin Auckland, Private Bag 92019, Auckland New Zealand
JapanandKorea. (e-mail:[email protected]): 29August2000,
WORLD-WIDE DISTRIBUTION OF NUCLEAR two were population specific. In comparison to the intron
GENETIC MARKERS IN HUMPBACK WHALES. data, the microsatellite loci showed reduced levels of
(ABSTRACT) Wecompareallelicvariationinanuclearactin populationdifferentiationandtheabsenceofuniqueoceanic
intron with that observed in threemicrosatellite loci among alleles,perhapsasaresultofsizehomoplasy.mcontrasttothe
oceanic populations of humpback whales {Megaptera distributionofmtDNAlineages,whichsuggestamorerecent
novaeangliae). The presence oftwo highly divergent actin connection between the North Atlantic and southern
allelelineageswasconfirmedinthethreeoceanicpopulations Indo-Pacific oceans, the distribution of nuclear alleles
(Palumbi&Baker, 1994).Thedistributionofthetwolineages suggestsamorerecenthistoricconnection,ormale-mediated
is consistent with divergence of each through historic gene flow, between the southern Tndo-Pacific and North
isolation and the subsequent dispersion of both lineages Pacificoceans.
dSuerqiunegncoinneg aorndmSorSeCPpearniaoldyssisofretsroalnvse-doctehaenitcwogednieverfgleown.t Brad C. Congdon (e-mail: [email protected]).
tliwnoeawgeersefgulrotbhearlliyntdoisetirgihbtutaellde,loesn.eOwfatshecfoomumrocnomonmloyntoalNloerletsh, S4Cc8ih7eo0no.cliAaousfsMTtnrrioavplieicraas:lidBLia.odlMoNgeyad,criJaoannmoae-lsGoACnuoztoaoklneUosnm,iaverFDsaiectuy,lMteCaxadiicrodn,es
Pacific and Southern Indo-Pacific populations, andonewas
unique to the North Atlantic. Ofthe rare alleles, southern MoefxBiicoolo:gRi.caRlobSlceise-ncSeasa,veUdnriav,erJ.siMtuyrorfeAlulc&klCa.Sn.d,BaPkreirv,atSechBoaogl
Indo-Pacificpopulationssharedone,oneoccurredinasubset 92019, Auckland, NewZealand:29August2000.
ofNorth Pacific and southern Indo-Pacificpopulations, and