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MORPHOLOGY AND NUTRITION OF PANDORINA UNICOCCA SP. NOV. 1, 2
Author(s) -
Rayburn William R.,
Starr Richard C.
Publication year - 1974
Publication title -
journal of phycology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.85
H-Index - 127
eISSN - 1529-8817
pISSN - 0022-3646
DOI - 10.1111/j.1529-8817.1974.tb02676.x
Subject(s) - biology , autotroph , ammonium , urea , botany , morphology (biology) , nitrogen , chemically defined medium , biochemistry , zoology , in vitro , bacteria , genetics , chemistry , physics , organic chemistry , quantum mechanics
SUMMARY Eleven strains of Pandorina unicocca sp. nov. were studied for morphological characterization. The species was delimited by having cells which contain a single basal pyrenoid and by colonies which have cells separate from each other in the colonial envelope. A defined medium was developed for 4 strains of P. unicocca and the nutritional requirements of these strains were examined. All 4 strains were capable of completely autotrophic growth and they could utilize nitrate, ammonium, or urea as nitrogen sources. Optimum growth was nuts attained at pH 8.0.