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The Apertospathulidae, a new family of haptorid ciliates (Protozoa, Ciliophora)
Foissner, W; Xu, KD; Kreutz, M
2005-07-01
发表期刊JOURNAL OF EUKARYOTIC MICROBIOLOGY
ISSN1066-5234
卷号52期号:4页码:360-373
文章类型Article
摘要We studied the morphology of three rare haptorid ciliates, using live observation and silver impregnation: Apertospathula verruculifera n. sp., Longispatha elegans n. gen., n. sp., and Rhinothrix porculus (Penard, 1922) n. gen., n. comb. Simple ethanol fixation (50-70%, v/v) is recommended to reveal the ciliary pattern of "difficult" ciliates, such as R. porculus, by protargol impregnation. The three genera investigated have a distinct feature in common, viz., a lasso-shaped oral bulge and circumoral kinety, where the right half is slightly to distinctly longer than the left and the circumoral kinety is open ventrally. Thus, they are united in a new spathidiid family, the Apertospathulidae n. fam., which probably evolved from a Bryophyllum-like ancestor by partial reduction of the oral bulge and circumoral kinety. Apertospathula verruculifera has a wart-like process, the palpus dorsalis, at the anterior end of the dorsal brush. The right branch of the circumoral kinety is only slightly longer than the left one. Longispatha elegans has a straight oral bulge and circumoral kinety, the right branch of which extends to the posterior end of the body while the left branch ends in the anterior third of the body. Rhinothrix porculus, a curious ciliate with a snout-like dorsal elongation of the oral bulge, the palpus oralis, has a highly characteristic ciliary pattern: the oral pattern is as in Longispatha, but the bulge and circumoral kinety extend spirally to the posterior end of the body while the somatic kinetics course meridionally. This is achieved by inserting some shortened kinetics in the curves of the oral bulge.; We studied the morphology of three rare haptorid ciliates, using live observation and silver impregnation: Apertospathula verruculifera n. sp., Longispatha elegans n. gen., n. sp., and Rhinothrix porculus (Penard, 1922) n. gen., n. comb. Simple ethanol fixation (50-70%, v/v) is recommended to reveal the ciliary pattern of "difficult" ciliates, such as R. porculus, by protargol impregnation. The three genera investigated have a distinct feature in common, viz., a lasso-shaped oral bulge and circumoral kinety, where the right half is slightly to distinctly longer than the left and the circumoral kinety is open ventrally. Thus, they are united in a new spathidiid family, the Apertospathulidae n. fam., which probably evolved from a Bryophyllum-like ancestor by partial reduction of the oral bulge and circumoral kinety. Apertospathula verruculifera has a wart-like process, the palpus dorsalis, at the anterior end of the dorsal brush. The right branch of the circumoral kinety is only slightly longer than the left one. Longispatha elegans has a straight oral bulge and circumoral kinety, the right branch of which extends to the posterior end of the body while the left branch ends in the anterior third of the body. Rhinothrix porculus, a curious ciliate with a snout-like dorsal elongation of the oral bulge, the palpus oralis, has a highly characteristic ciliary pattern: the oral pattern is as in Longispatha, but the bulge and circumoral kinety extend spirally to the posterior end of the body while the somatic kinetics course meridionally. This is achieved by inserting some shortened kinetics in the curves of the oral bulge.
关键词Bryophyllum Legendrea Perispira Longispatha Dioplites (Foissner Agatha AN. Berger 2002) N. Comb. RhiN.thrix Barbatula (PeN.rd 1922) N. Comb. Rhinothrix Antennata (Kahl Soil Protozoa 1926) N. Comb. Spathidium Sphagnum Protozoa Venezuela
学科领域Microbiology
收录类别SCI
语种英语
WOS记录号WOS:000230942000010
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/3442
专题海洋生物分类与系统演化实验室
作者单位1.Salzburg Univ, FB Organism Biol, A-5020 Salzburg, Austria
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Private Lab, D-78467 Constance, Germany
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Foissner, W,Xu, KD,Kreutz, M. The Apertospathulidae, a new family of haptorid ciliates (Protozoa, Ciliophora)[J]. JOURNAL OF EUKARYOTIC MICROBIOLOGY,2005,52(4):360-373.
APA Foissner, W,Xu, KD,&Kreutz, M.(2005).The Apertospathulidae, a new family of haptorid ciliates (Protozoa, Ciliophora).JOURNAL OF EUKARYOTIC MICROBIOLOGY,52(4),360-373.
MLA Foissner, W,et al."The Apertospathulidae, a new family of haptorid ciliates (Protozoa, Ciliophora)".JOURNAL OF EUKARYOTIC MICROBIOLOGY 52.4(2005):360-373.
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