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Evolution of the Germline Actin Gene in Hypotrichous Ciliates: Multiple Nonscrambled IESs at Extremely Conserved Locations in Two Urostylids
Chen, Tianbing1; Yi, Zhenzhen1; Huang, Jie2; Lin, Xiaofeng1; Yi, ZZ (reprint author), S China Normal Univ, Key Lab Ecol & Environm Sci Guangdong Higher Educ, Guangzhou 510631, Guangdong, Peoples R China.
2015-03-01
Source PublicationJOURNAL OF EUKARYOTIC MICROBIOLOGY
ISSN1066-5234
Volume62Issue:2Pages:188-195
AbstractIn hypotrichous ciliates, macronuclear chromosomes are gene-sized, and micronuclear genes contain short, noncoding internal eliminated segments (IESs) as well as macronuclear-destined segments (MDSs). In the present study, we characterized the complete macronuclear gene and two to three types of micronuclear actin genes of two urostylid species, i.e. Pseudokeronopsis rubra and Uroleptopsis citrina. Our results show that (1) the gain/loss of IES happens frequently in the subclass Hypotrichia (formerly Stichotrichia), and high fragmentation of germline genes does not imply for gene scrambling; and (2) the micronuclear actin gene is scrambled in the order Sporadotrichida but nonscrambled in the orders Urostylida and Stichotrichida, indicating the independent evolution of MIC-actin gene patterns in different orders of hypotrichs; (3) locations of MDS-IES junctions of micronuclear actin gene in coding regions are conserved among closely related species.
SubtypeArticle
KeywordActin Ciliates Macronuclear Mds Micronuclear
Department[Chen, Tianbing ; Yi, Zhenzhen ; Lin, Xiaofeng] S China Normal Univ, Sch Life Sci, Lab Protozool, Guangzhou 510631, Guangdong, Peoples R China ; [Huang, Jie] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
DOI10.1111/jeu.12158
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000350501600003
WOS KeywordTELOMERE-BINDING-PROTEIN ; DNA-POLYMERASE-ALPHA ; RIBOSOMAL-RNA GENE ; SCRAMBLED GENE ; OXYTRICHA-NOVA ; CHILODONELLA-UNCINATA ; I GENE ; MACRONUCLEAR ; CILIOPHORA ; PROTOZOA
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/23880
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorYi, ZZ (reprint author), S China Normal Univ, Key Lab Ecol & Environm Sci Guangdong Higher Educ, Guangzhou 510631, Guangdong, Peoples R China.
Affiliation1.S China Normal Univ, Sch Life Sci, Lab Protozool, Guangzhou 510631, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Chen, Tianbing,Yi, Zhenzhen,Huang, Jie,et al. Evolution of the Germline Actin Gene in Hypotrichous Ciliates: Multiple Nonscrambled IESs at Extremely Conserved Locations in Two Urostylids[J]. JOURNAL OF EUKARYOTIC MICROBIOLOGY,2015,62(2):188-195.
APA Chen, Tianbing,Yi, Zhenzhen,Huang, Jie,Lin, Xiaofeng,&Yi, ZZ .(2015).Evolution of the Germline Actin Gene in Hypotrichous Ciliates: Multiple Nonscrambled IESs at Extremely Conserved Locations in Two Urostylids.JOURNAL OF EUKARYOTIC MICROBIOLOGY,62(2),188-195.
MLA Chen, Tianbing,et al."Evolution of the Germline Actin Gene in Hypotrichous Ciliates: Multiple Nonscrambled IESs at Extremely Conserved Locations in Two Urostylids".JOURNAL OF EUKARYOTIC MICROBIOLOGY 62.2(2015):188-195.
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