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王丽卿, 郝瑞娟, 李雪琪, 潘宏博. 六种淡水纤毛虫形态学研究[J]. 水生生物学报, 2016, 40(2): 343-349. DOI: 10.7541/2016.46
引用本文: 王丽卿, 郝瑞娟, 李雪琪, 潘宏博. 六种淡水纤毛虫形态学研究[J]. 水生生物学报, 2016, 40(2): 343-349. DOI: 10.7541/2016.46
WANG Li-Qing, HAO Rui-Juan, LI Xue-Qi, PAN Hong-Bo. MORPHOLOGY OF SIX FRESHWATER CILIATES[J]. ACTA HYDROBIOLOGICA SINICA, 2016, 40(2): 343-349. DOI: 10.7541/2016.46
Citation: WANG Li-Qing, HAO Rui-Juan, LI Xue-Qi, PAN Hong-Bo. MORPHOLOGY OF SIX FRESHWATER CILIATES[J]. ACTA HYDROBIOLOGICA SINICA, 2016, 40(2): 343-349. DOI: 10.7541/2016.46

六种淡水纤毛虫形态学研究

MORPHOLOGY OF SIX FRESHWATER CILIATES

  • 摘要: 借助活体观察和银染法对6种淡水纤毛虫(纵长板壳虫Coleps elongatus、瓜形原膜袋虫Protocyclidiumcitrullus、亨氏累枝虫Epistylis hentscheli、钟形钟虫Vorticella campanula、长柄球吸管虫Metacineta macrocaulis、四分锤吸管虫Tokophrya quadripatita)的形态和纤毛图式进行了详尽研究。本工作首次描述了亨氏累枝虫、四分锤吸管虫、纵长板壳虫的中国种群,同时揭示了亨氏累枝虫长期未知的纤毛图式特征并给出该种类的新定义: 虫体高钟形,活体大小约(100-130) m(60-65) m; 伸缩泡1个,腹位; 大小核各1枚,大核C型; 群体为规则对称二叉分枝; 口区三片小膜均由三列动基列组成,第三小膜由三列等长的动基列组成,其终止处高于第一小膜下端; 虫体前端到反口纤毛环间的银线约71-74条,反口纤毛环到帚胚间的银线约35-47条; 淡水生境。此外,本研究对长柄球吸管虫、钟形钟虫、瓜形原膜袋虫进行了重新描述,补充了显微照片。

     

    Abstract: The current study using the living observation and the silver impregnation investigated six freshwater ciliates, Coleps elongatus, Protocyclidium citrullus, Epistylis hentscheli, Vorticella campanula, Metacineta macrocaulis and Tokophrya quadripatita. The morphology of Coleps elongatus, Epistylis hentscheli and Tokophrya quadripatita were first described in China. The infraciliature of E. hentscheli was first revealed, which can be identified by the zooid asymmetric elongated shape and the size of approximately (100-130) m(60-65) m in vivo. E. hentscheli has single contractile vacuole ventrally positioned, one C-shape macronucleus and one micronucleus. The freshwater habitat dichotomously branched E. hentscheli have characterization of infundibular polykinety 3 consisting of three equal ciliary rows and 71-74 transverse silverlines between peristome and aboral trochal band, while 35-47 between aboral trochal band and scopula. Other species were described in further detail and supplied with microphotographs.

     

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