title: Morphology and Phylogenetic Placement of Three New Zoothamnium species (Ciliophora: Peritrichia) from Coastal Waters of Southern China.
abstract: The morphology, infraciliature, and silverline system of three peritrichous ciliates, Zoothamnium bucciniiformum sp. n., Zoothamnium florens sp. n., and Zoothamnium zhanjiangense sp. n., were investigated based on both living and silver-stained specimens. Zoothamnium bucciniiformum sp. n., collected from coastal waters (salinity 30‰) off Zhanjiang, southern China, can be distinguished by the following characters: dichotomously branched stalk, peristomial lip with medial circumferential infolding, contractile vacuole apically positioned, 32-49 silverlines between the anterior end and the aboral trochal band, 15-26 between the aboral trochal band and the scopula; two kineties in peniculus 3, not parallel to each other. Zoothamnium florens sp. n., collected from a mangrove wetland (salinity 13‰) off Zhanjiang, is characterized by its large conical zooid, tuberculate peristomial lip, asymmetrical dichotomously branched colony, 59-81 silverlines between the anterior end and the aboral trochal band and 29-36 between the aboral trochal band and the scopula. Zoothamnium zhanjiangense, collected from a mangrove wetland (salinity about 9.5‰) off Zhanjiang, differs from its congeners by the alternately branched stalk, peristomial lip with medial circumferential infolding, 40-63 silverlines from the peristomial area to the aboral trochal band and 13-24 from the aboral trochal band to the scopula. The comparison and analysis of SSU rDNA sequences also support present identifications.
authors: Institute of Hydrobiology, Jinan University, Key Laboratory of Eutrophication and Red Tide Control, Educational Department of Guangdong Province, Guangzhou, 510632, China.|Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, School of Life Science, South China Normal University, Guangzhou, 510631, China.
authors: Zhuo
authors: Z
authors: Shen
authors: School of Ocean, Yantai University, Yantai, 264005, China.
authors: Daode
authors: D
authors: Ji
authors: Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, School of Life Science, South China Normal University, Guangzhou, 510631, China.
authors: Zhenzhen
authors: Z
authors: Yi
authors: Zoology Department, King Saud University, Riyadh, 11451, Saudi Arabia.
authors: Khaled A S
authors: KA
authors: Al-Rasheid
authors: Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, School of Life Science, South China Normal University, Guangzhou, 510631, China.
authors: Xiaofeng
authors: X
authors: Lin
mesh_terms: D001483:Base Sequence; D002681:China; D016798:Ciliophora / Q000145:classification / Q000648:ultrastructure; D016054:DNA, Protozoan; D004275:DNA, Ribosomal / Q000032:analysis / Q000235:genetics; D016802:Oligohymenophorea / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification / Q000648:ultrastructure*; D010802:Phylogeny; D054712:Salinity; D012623:Seawater / Q000469:parasitology; D012834:Silver; D018030:Silver Compounds; D013045:Species Specificity; D014617:Vacuoles / Q000648:ultrastructure; D053833:Wetlands
chemical_list: D016054:DNA, Protozoan; D004275:DNA, Ribosomal; D018030:Silver Compounds; D012834:Silver
keywords: Biodiversity; mangrove