File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Long-term microclimatic stress causes rapid adaptive radiation of kaiABC clock gene family in a cyanobacterium, Nostoc linckia, from "Evolution Canyons" I and II, Israel

TitleLong-term microclimatic stress causes rapid adaptive radiation of kaiABC clock gene family in a cyanobacterium, Nostoc linckia, from "Evolution Canyons" I and II, Israel
Authors
Issue Date2002
PublisherNational Academy of Sciences. The Journal's web site is located at http://www.pnas.org
Citation
Proceedings Of The National Academy Of Sciences Of The United States Of America, 2002, v. 99 n. 4, p. 2082-2087 How to Cite?
AbstractCyanobacteria are the only prokaryotes known thus far possessing regulation of physiological functions with approximate daily periodicity, or circadian rhythms, that are controlled by a cluster of three genes, kaiA, kaiB, and kaiC. Here we demonstrate considerably higher genetic polymorphism and extremely rapid evolution of the kaiABC gene family in a filamentous cyanobacterium, Nostoc linckia, permanently exposed to the acute natural environmental stress in the two microsite evolutionary models known as "Evolution Canyons," I (Mount Carmel) and II (Upper Galilee) in Israel. The family consists of five distinct subfamilies (kaiI-kaiV) comprising at least 20 functional genes and pseudogenes. The obtained data suggest that the duplications of kai genes have adaptive significance, and some of them are evolutionarily quite recent (≈80,000 years ago). The observed patterns of within- and between-subfamily polymorphisms indicate that positive diversifying, balancing, and purifying selections are the principal driving forces of the kai gene family's evolution.
Persistent Identifierhttp://hdl.handle.net/10722/178782
ISSN
2015 Impact Factor: 9.423
2015 SCImago Journal Rankings: 6.883
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDvornyk, Ven_US
dc.contributor.authorVinogradova, Oen_US
dc.contributor.authorNevo, Een_US
dc.date.accessioned2012-12-19T09:49:43Z-
dc.date.available2012-12-19T09:49:43Z-
dc.date.issued2002en_US
dc.identifier.citationProceedings Of The National Academy Of Sciences Of The United States Of America, 2002, v. 99 n. 4, p. 2082-2087en_US
dc.identifier.issn0027-8424en_US
dc.identifier.urihttp://hdl.handle.net/10722/178782-
dc.description.abstractCyanobacteria are the only prokaryotes known thus far possessing regulation of physiological functions with approximate daily periodicity, or circadian rhythms, that are controlled by a cluster of three genes, kaiA, kaiB, and kaiC. Here we demonstrate considerably higher genetic polymorphism and extremely rapid evolution of the kaiABC gene family in a filamentous cyanobacterium, Nostoc linckia, permanently exposed to the acute natural environmental stress in the two microsite evolutionary models known as "Evolution Canyons," I (Mount Carmel) and II (Upper Galilee) in Israel. The family consists of five distinct subfamilies (kaiI-kaiV) comprising at least 20 functional genes and pseudogenes. The obtained data suggest that the duplications of kai genes have adaptive significance, and some of them are evolutionarily quite recent (≈80,000 years ago). The observed patterns of within- and between-subfamily polymorphisms indicate that positive diversifying, balancing, and purifying selections are the principal driving forces of the kai gene family's evolution.en_US
dc.languageengen_US
dc.publisherNational Academy of Sciences. The Journal's web site is located at http://www.pnas.orgen_US
dc.relation.ispartofProceedings of the National Academy of Sciences of the United States of Americaen_US
dc.subject.meshBacterial Proteins - Genetics - Physiologyen_US
dc.subject.meshBiological Evolutionen_US
dc.subject.meshCircadian Rhythmen_US
dc.subject.meshCircadian Rhythm Signaling Peptides And Proteinsen_US
dc.subject.meshClimateen_US
dc.subject.meshCodonen_US
dc.subject.meshCyanobacteria - Metabolism - Physiologyen_US
dc.subject.meshIsraelen_US
dc.subject.meshLikelihood Functionsen_US
dc.subject.meshPhylogenyen_US
dc.subject.meshPoisson Distributionen_US
dc.subject.meshPolymorphism, Geneticen_US
dc.subject.meshSequence Analysis, Dnaen_US
dc.subject.meshTime Factorsen_US
dc.subject.meshUltraviolet Raysen_US
dc.titleLong-term microclimatic stress causes rapid adaptive radiation of kaiABC clock gene family in a cyanobacterium, Nostoc linckia, from "Evolution Canyons" I and II, Israelen_US
dc.typeArticleen_US
dc.identifier.emailDvornyk, V: dvornyk@hku.hken_US
dc.identifier.authorityDvornyk, V=rp00693en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1073/pnas.261699498en_US
dc.identifier.pmid11842226-
dc.identifier.scopuseid_2-s2.0-0037133331en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037133331&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume99en_US
dc.identifier.issue4en_US
dc.identifier.spage2082en_US
dc.identifier.epage2087en_US
dc.identifier.isiWOS:000174031100061-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridDvornyk, V=6701789786en_US
dc.identifier.scopusauthoridVinogradova, O=7102090990en_US
dc.identifier.scopusauthoridNevo, E=7102721093en_US

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats