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  • Title: Morphology and morphogenesis of a new oxytrichid ciliate, Notohymena limus n. sp. (Ciliophora, Oxytrichidae) from Delhi, India.
    Author: Naqvi I, Gupta R, Makhija S, Toteja R, Abraham JS, Sripoorna S, El-Serehy HA, Al-Misned FA.
    Journal: Saudi J Biol Sci; 2016 Nov; 23(6):789-794. PubMed ID: 27872578.
    Abstract:
    The morphology and morphogenesis of a new oxytrichid ciliate, Notohymena limus n. sp. were studied in vivo and after protargol impregnation. The new ciliate was isolated from the sewage sludge at Delhi Jal Board Sewage Treatment Plant located at Rithala, Delhi, India, using the non-flooded Petri dish method. N. limus n. sp. is characterized as follows: flexible dorsoventrally flattened ellipsoidal body; Notohymena-pattern undulating membranes; adoral zone of membranelles (AZM) occupied about 39% of the body length, and consists of around 26 membranelles; large and deep buccal cavity; colorless subpellicular granules present in groups and arranged around the bases of dorsal bristles; 4 macronuclear nodules; 2 micronuclei; 18 fronto-ventral-transverse (FVT) cirri in typical Oxytricha-pattern; 6 dorsal rows of bristles; 3 caudal cirri; about 16 right and 15 left marginal cirri; N. limus n. sp. is a new species on the basis of the combination of morphological, morphometric and morphogenetic characteristic features.
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