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Journal article
Volvox barberi (Chlorophyceae) actively forms two-dimensional flocks in culture
Journal of phycology, v 57(3), pp 967-974
01 Jun 2021
PMID: 33523505
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Volvox barberi is a multicellular green alga forming spherical colonies of 10,000-50,000 differentiated somatic and germ cells. We observed that in culture, these colonies actively self-organized in just a few minutes into "flocks" that contained as many as 100 colonies moving and rotating collectively for hours. The colonies in flocks formed two-dimensional, irregular, active crystals, that is, geometric lattices within which individual colonies rotated separately. These groupings sometimes disassembled back into individual colonies just as quickly, but in some cases, flocks persisted over several hours. Close inspection of flock formation in the presence of a tracer dye suggested that colony and flock rotations were producing vortices in the fluid medium over a range spanning multiple flock diameters, perhaps providing a physical mechanism for aggregation.
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Details
- Title
- Volvox barberi (Chlorophyceae) actively forms two-dimensional flocks in culture
- Creators
- Ravi N. Balasubramanian - Yale UniversityRichard M. McCourt - Drexel University
- Publication Details
- Journal of phycology, v 57(3), pp 967-974
- Publisher
- Wiley
- Number of pages
- 8
- Grant note
- Phycological Society of America (PSA) Donald Danforth Plant Science Center in St. Louis, MO
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biodiversity, Earth, and Environmental Science (BEES)
- Web of Science ID
- WOS:000628751500001
- Scopus ID
- 2-s2.0-85102426706
- Other Identifier
- 991019167781304721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Marine & Freshwater Biology
- Plant Sciences