More than meets the eye: regional specialisation and microbial cover of the blade of Porphyra umbilicalis (Bangiophyceae, Rhodophyta)-Reference-Cited by-同舟云学术

More than meets the eye: regional specialisation and microbial cover of the blade of Porphyra umbilicalis (Bangiophyceae, Rhodophyta)

Published:2018-09-12 Issue:5 Volume:61 Page:459-465
ISSN:1437-4323
Container-title:Botanica Marina
language:en
Short-container-title:

Author:

Royer Charlotte J.¹²,Blouin Nicolas A.³,Brawley Susan H.¹

Affiliation:

1. School of Marine Sciences , University of Maine , Orono, ME 04469 , USA

2. 425 Davis Heart and Lung Research Institute , Ohio State University , Columbus, OH 43210 , USA

3. Department of Molecular Biology , University of Wyoming , Laramie, WY 82071 , USA

Abstract

Abstract Completion of the Porphyra umbilicalis genome and ongoing research on this species by many investigators suggest the need for wider appreciation of regional specialisation of the P. umbilicalis blade. Here we use light and electron microscopy to describe four distinct regions of the blade: rhizoid cells with abundant floridean starch, vegetative cells, differentiating neutral sporangia, and mature neutral spores. The holdfast, densely covered by microorganisms, presents an intriguing biomechanical structure: thousands of very thin, long rhizoid tips course through the thick, secreted polysaccharide to the substratum. Wild blades in culture have more microorganisms than when collected, including filamentous cyanobacteria.

Publisher

Walter de Gruyter GmbH

Subject

Plant Science,Aquatic Science,Ecology, Evolution, Behavior and Systematics

Link

https://www.degruyter.com/document/doi/10.1515/bot-2018-0065/pdf

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