A PROPOSAL FOR THE UNIFICATION OF TWO CYANOBACTERIAL STRAINS OF NOSTOC AS THE SAME SPECIES

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NOWRUZI BAHAREH; KHAVARI NEJAD RAMEZAN ALI; NEJADSATTARI TAHER; SIVONEN KARINA; FEWER DAVID P.

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Journal: Rostaniha Year:2016 | Volume:17 | Issue:2 Page(s): 161-172

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Title

A PROPOSAL FOR THE UNIFICATION OF TWO CYANOBACTERIAL STRAINS OF NOSTOC AS THE SAME SPECIES

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Keywords

DNA-DNA HYBRIDIZATIONQ1

ITSQ2

MORPHOLOGYQ1

NOSTOCQ1

16S RRNAQ1

Abstract

The present research aimed to investigate through a polyphasic approach, the differences in morphological and genotypic features of two cyanobacterial strains isolated from paddy fields of northern parts of Iran, belonging to the family NOSTOCaceae (subsect. IV. I). Based on the reliable identification keys, the two strains were identified as NOSTOC ellipsosporum (Desm.) Rabenh. ex Born. et Flah, and N. muscorum Ag. ex Born. et Flah. Sequencing of cloned bacterial 16S RRNA fragment strongly indicated that, twoNostoc strains could not be discriminated by 16S RRNA and ITS genes sequencing and the current morphological classification of both is invalid. Moreover, phylogenetic study of two NOSTOC strains has demonstrated that, genetic relationships are in conflict with the morphological classification.Besides, after doing DNA-DNA reassociation experiments, it was concluded that, twoNostoc strains investigated might possibly be united into one species. Finally, two NOSTOC species were named as NOSTOC sp. Bahar_E and NOSTOC sp. Bahar_M, and have been registered under DDBJ, accession numbers: JF795278 and JF272482, respectively.

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APA: Copy

NOWRUZI, BAHAREH, KHAVARI NEJAD, RAMEZAN ALI, NEJADSATTARI, TAHER, SIVONEN, KARINA, & FEWER, DAVID P.. (2016). A PROPOSAL FOR THE UNIFICATION OF TWO CYANOBACTERIAL STRAINS OF NOSTOC AS THE SAME SPECIES. ROSTANIHA, 17(2), 161-172. SID. https://sid.ir/paper/1216/en

Vancouver: Copy

NOWRUZI BAHAREH, KHAVARI NEJAD RAMEZAN ALI, NEJADSATTARI TAHER, SIVONEN KARINA, FEWER DAVID P.. A PROPOSAL FOR THE UNIFICATION OF TWO CYANOBACTERIAL STRAINS OF NOSTOC AS THE SAME SPECIES. ROSTANIHA[Internet]. 2016;17(2):161-172. Available from: https://sid.ir/paper/1216/en

IEEE: Copy

BAHAREH NOWRUZI, RAMEZAN ALI KHAVARI NEJAD, TAHER NEJADSATTARI, KARINA SIVONEN, and DAVID P. FEWER, “A PROPOSAL FOR THE UNIFICATION OF TWO CYANOBACTERIAL STRAINS OF NOSTOC AS THE SAME SPECIES,” ROSTANIHA, vol. 17, no. 2, pp. 161–172, 2016, [Online]. Available: https://sid.ir/paper/1216/en

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