The Minute Alga Schizocladia ischiensis (Schizocladiophyceae, Ochrophyta) Isolated by Germling Emergence from 24 m Depth off Rhodes (Greece)

Anastasia Rizouli, Frithjof C Kuepper, Paraskevi Louizidou, Andrew O.M. Mogg, Elaine Azzopardi, Martin D J Sayer, Hiroshi Kawai, Takeaki Hanyuda, Akira Peters* (Corresponding Author)

*Corresponding author for this work

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Abstract

Substratum collected during diving surveys of sublittoral communities off the Greek island of Rhodes (Dodecanese, South-East Aegean) in late 2015 was incubated in the laboratory. Among the emerging macroalgal germlings, there was the second-ever record and isolate of the small benthic multicellular alga Schizocladia ischiensis of the poorly known monotypic Schizocladiophyceae, the sister group of the brown algae (Phaeophyceae). Its nuclear ribosomal small subunit, Rubisco spacer (rbcL, psaA, and psbC sequences (in total 5237 bp)) were similar to those of the only previous isolate of the species from Ischia, western Mediterranean. Our new strain formed branched upright thalli attached to the substratum by an amorphous substance secreted at the bottom of the basal cell. It is possible that S. ischiensis is a common member of the infralittoral and circalittoral communities in the Mediterranean and generally overlooked because of its minute size. Germling emergence appears to represent the method of choice to reveal benthic algae of this small size.
Original languageEnglish
Article number102
Number of pages10
JournalDiversity
Volume12
Issue number3
Early online date14 Mar 2020
DOIs
Publication statusPublished - Mar 2020

Keywords

  • macroalgae
  • molecular-assisted identification
  • phytobenthos
  • BROWN-ALGAE
  • ECTOCARPALES
  • POPULATIONS
  • PHAEOPHYCEAE
  • MOLECULAR PHYLOGENY
  • SYSTEMATIC POSITION
  • ORDER
  • REINSTATEMENT
  • SP-NOV
  • DIVERSITY

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    Rizouli, A., Kuepper, F. C., Louizidou, P., Mogg, A. O. M., Azzopardi, E., Sayer, M. D. J., Kawai, H., Hanyuda, T., & Peters, A. (2020). The Minute Alga Schizocladia ischiensis (Schizocladiophyceae, Ochrophyta) Isolated by Germling Emergence from 24 m Depth off Rhodes (Greece). Diversity, 12(3), [102]. https://doi.org/10.3390/d12030102