Phylogenetic and molecular clock inferences of cyanobacterial strains within Rivulariaceae from distant environments

Sökning: L773:1574 6968 > Phylogenetic and mo...

authorCount :7
Heterocyst-forming cyanobacteria are important players at both evolutionary and ecological scales, but to date it has been difficult to establish their phylogenetic affiliations. We present data from a phylogenetic and molecular clock analysis of heterocystous cyanobacteria within the family Rivulariaceae, including the genera Calothrix, Rivularia, Gloeotrichia and Tolypothrix. The strains were isolated from distant geographic regions including fresh and brackish water bodies, microbial mats from beach rock, microbialites, pebble beaches, plus PCC strains 7103 and 7504. Phylogenetic inferences (distance, likelihood and Bayesian) suggested the monophyly of genera Calothrix and Rivularia. Molecular clock estimates indicate that Calothrix and Rivularia originated similar to 1500 million years ago (MYA) ago and species date back to 400-300 MYA while Tolypothrix and Gloeotrichia are younger genera (600-400 MYA).

Beltran, Yislem (författare)
Bergman, BirgittaStockholms universitet,Botaniska institutionen(Swepub:su)bergm (författare)
Diez, BeatrizStockholms universitet,Botaniska institutionen (författare)
Ininbergs, KarolinaStockholms universitet,Botaniska institutionen(Swepub:su)bauer (författare)
Souza, Valeria (författare)
Falcon, Luisa I. (författare)
Stockholms universitetBotaniska institutionen (creator_code:org_t)

Ingår i:FEMS Microbiology Letters: Oxford University Press (OUP)316:2, s. 90-990378-10971574-6968

Av författaren/redakt...: Dominguez-Escoba ...; Beltran, Yislem; Bergman, Birgitt ...; Diez, Beatriz; Ininbergs, Karol ...; Souza, Valeria; visa fler...; Falcon, Luisa I.; visa färre...

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