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Uroleptus mobilis engelm. II. Renewal of vitality through conjugation by Gary N. Calkins is a Environmental Science article available to read on EtoBox.
What is Uroleptus mobilis engelm. II. Renewal of vitality through conjugation about?
In a previous paper I have described the morphology and the cytology of division and conjugation stages of the rare hypotrichous ciliate which forms the subject of the present paper.' Lending itself admirably to the cultural method which has been employed, Uroleptus mobilis is the most satisfactory organi,sm for experimental work I have yet encountered. Paedogamous conjugation, in epidemic form, occurs readily, under the proper conditions, in the culture medium. Ex-conjugants, upon isolation, live and thrive in this culture medium in practically 100 per cent of cases-a rare phenomenon among the hypotric1hs. Asexual reorganization, or parthenogenesis, called by Woodruff and Erdmann 'endomixis', occurs at fairly definite periods, tinder the protection of a cyst membrane. Such reorganizatioins, therefore, are advertised by the form assumed by the organisms and do not interfere with the study of comparative vitality throughout the life cycle. Starting with a single individual which was isolated immediately after conjugation, on November 16, 1917, I have followed the life history of thirteen different series, all beginning as exconjugants of pairs of normally conjugating individuals, an
Who reads Uroleptus mobilis engelm. II. Renewal of vitality through conjugation?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Gary N. Calkins
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0022-104X)
- Published
- 1919
- Language
- EN
- Field
- Environmental Science (Life Sciences)