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Nunduva, a new marine genus of Rivulariaceae (Nostocales, Cyanobacteria) from marine rocky shores
Fottea, Olomouc
  • Laura Gonzales-Resendiz, Universidad Nacional Autónoma de México
  • Jeffrey R. Johansen, John Carroll University
  • Luisa Alba-Lois, Universidad Nacional Autónoma de México
  • Claudia Segal–Kischinevzky, Universidad Nacional Autónoma de México
  • Viviana Escobar–Sánchez, Universidad Nacional Autónoma de México
  • Luis F. Jimenez Garcia4, Universidad Nacional Autónoma de México
  • Tomáš Hauer, Institute of Botany
  • Hilda León–Tejera, Universidad Nacional Autónoma de México
Document Type
Article
Publication Date
1-1-2018
Disciplines
Abstract

Several populations of a non–tapering and tapering, fasciculated, single and geminate false branch- ing heterocytous cyanobacterium were collected from rocky shores in the Pacific Ocean and Gulf of Mexico. The populations were provisionally placed in Brasilonema based on morphology, but upon sequencing of both environmental and culture material it was discovered that the populations/cultures belonged to the Rivulariaceae, in a marine subclade of the family containing Kyrtuthrix huatulcensis. In culture, the taxon exhibited tapering in isopolar filaments, providing further evidence that it was a member of the rivulariacean clade. Based on molecular data for other cyanobacteria within the rivulariacean clade, we identified at least three more species morphologically distinguishable from the Brasilonema–like material, all of which show more pronounced ta- pering. These cyanobacteria include not only tropical marine strains, but also a strain isolated from the English coastline in the Atlantic Ocean. We propose a new genus and four species for members of this distinctive clade, Nunduva fasciculata gen. nov., sp. nov., N. kania sp. nov., N. biania sp. nov., and N. britannica sp. nov. Other strains that others and we have isolated are sister to Nunduva and may eventually be placed within this genus, but at present, we consider the evidence for inclusion in Nunduva to be insufficient.

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Creative Commons Attribution-Noncommercial-No Derivative Works 4.0
Citation Information
Laura Gonzales-Resendiz, Jeffrey R. Johansen, Luisa Alba-Lois, Claudia Segal–Kischinevzky, et al.. "Nunduva, a new marine genus of Rivulariaceae (Nostocales, Cyanobacteria) from marine rocky shores" Fottea, Olomouc (2018)
Available at: http://works.bepress.com/jeffrey_johansen/11/