A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation
We isolated a population of Oxytricha granulifera granuliferaFoissner and Adam (1983) from a hot spring in Iceland. The pure culture of this isolate was established at room temperature in the laboratory. This allowed for a detailed investigation, informed by integrated approaches, of the isolate’s m...
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ftdoajarticles:oai:doaj.org/article:8790854205a14a8181d30c3a24879743 2023-05-15T16:46:03+02:00 A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation Rong Zhu Zhishuai Qu Qi Zhang Sabine Filker Thorsten Stoeck Fengchao Li Xiaozhong Hu 2021-02-01T00:00:00Z https://doi.org/10.3389/fmars.2021.621349 https://doaj.org/article/8790854205a14a8181d30c3a24879743 EN eng Frontiers Media S.A. https://www.frontiersin.org/articles/10.3389/fmars.2021.621349/full https://doaj.org/toc/2296-7745 2296-7745 doi:10.3389/fmars.2021.621349 https://doaj.org/article/8790854205a14a8181d30c3a24879743 Frontiers in Marine Science, Vol 8 (2021) abnormal form Oxytricha hot spring Iceland morphology phylogeny Science Q General. Including nature conservation geographical distribution QH1-199.5 article 2021 ftdoajarticles https://doi.org/10.3389/fmars.2021.621349 2022-12-31T13:26:38Z We isolated a population of Oxytricha granulifera granuliferaFoissner and Adam (1983) from a hot spring in Iceland. The pure culture of this isolate was established at room temperature in the laboratory. This allowed for a detailed investigation, informed by integrated approaches, of the isolate’s morphology and morphogenesis, as well as molecular phylogeny. Results showed that the morphological and morphogenetic characteristics of the Iceland population are consistent with those of other populations. During the 3-year long period of laboratory cultivation, some abnormal individuals appeared repeatedly in the culture system. Interestingly, the morphological characteristics of these abnormal cells were rather stable, and were as follows: 1) body slender and elliptical-shaped; 2) remarkably shortened adoral zone and significantly reduced number of adoral membranelles; and 3) loss of undulating membranes. Resting cysts, binary fission and conjugate reproduction were not found in abnormal specimens. Although the morphology of abnormal individuals changed significantly, the sequences of the SSU rDNA of the normal and abnormal morphotypes were the same. Phylogenetic analyses showed that the two morphotypes clustered in a clade with other populations of O. granulifera granulifera. Article in Journal/Newspaper Iceland Directory of Open Access Journals: DOAJ Articles Frontiers in Marine Science 8 |
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Directory of Open Access Journals: DOAJ Articles |
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ftdoajarticles |
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English |
topic |
abnormal form Oxytricha hot spring Iceland morphology phylogeny Science Q General. Including nature conservation geographical distribution QH1-199.5 |
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abnormal form Oxytricha hot spring Iceland morphology phylogeny Science Q General. Including nature conservation geographical distribution QH1-199.5 Rong Zhu Zhishuai Qu Qi Zhang Sabine Filker Thorsten Stoeck Fengchao Li Xiaozhong Hu A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation |
topic_facet |
abnormal form Oxytricha hot spring Iceland morphology phylogeny Science Q General. Including nature conservation geographical distribution QH1-199.5 |
description |
We isolated a population of Oxytricha granulifera granuliferaFoissner and Adam (1983) from a hot spring in Iceland. The pure culture of this isolate was established at room temperature in the laboratory. This allowed for a detailed investigation, informed by integrated approaches, of the isolate’s morphology and morphogenesis, as well as molecular phylogeny. Results showed that the morphological and morphogenetic characteristics of the Iceland population are consistent with those of other populations. During the 3-year long period of laboratory cultivation, some abnormal individuals appeared repeatedly in the culture system. Interestingly, the morphological characteristics of these abnormal cells were rather stable, and were as follows: 1) body slender and elliptical-shaped; 2) remarkably shortened adoral zone and significantly reduced number of adoral membranelles; and 3) loss of undulating membranes. Resting cysts, binary fission and conjugate reproduction were not found in abnormal specimens. Although the morphology of abnormal individuals changed significantly, the sequences of the SSU rDNA of the normal and abnormal morphotypes were the same. Phylogenetic analyses showed that the two morphotypes clustered in a clade with other populations of O. granulifera granulifera. |
format |
Article in Journal/Newspaper |
author |
Rong Zhu Zhishuai Qu Qi Zhang Sabine Filker Thorsten Stoeck Fengchao Li Xiaozhong Hu |
author_facet |
Rong Zhu Zhishuai Qu Qi Zhang Sabine Filker Thorsten Stoeck Fengchao Li Xiaozhong Hu |
author_sort |
Rong Zhu |
title |
A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation |
title_short |
A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation |
title_full |
A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation |
title_fullStr |
A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation |
title_full_unstemmed |
A New Record of Oxytricha granulifera granulifera Foissner and Adam, 1983 (Protozoa, Ciliophora, Oxytrichidae) From a Hot Spring in Iceland, With Notes on Its Abnormal Form During Cultivation |
title_sort |
new record of oxytricha granulifera granulifera foissner and adam, 1983 (protozoa, ciliophora, oxytrichidae) from a hot spring in iceland, with notes on its abnormal form during cultivation |
publisher |
Frontiers Media S.A. |
publishDate |
2021 |
url |
https://doi.org/10.3389/fmars.2021.621349 https://doaj.org/article/8790854205a14a8181d30c3a24879743 |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
Frontiers in Marine Science, Vol 8 (2021) |
op_relation |
https://www.frontiersin.org/articles/10.3389/fmars.2021.621349/full https://doaj.org/toc/2296-7745 2296-7745 doi:10.3389/fmars.2021.621349 https://doaj.org/article/8790854205a14a8181d30c3a24879743 |
op_doi |
https://doi.org/10.3389/fmars.2021.621349 |
container_title |
Frontiers in Marine Science |
container_volume |
8 |
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1766036179872907264 |