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  5. 白色念珠菌擬單倍體菌株特性之研究
 
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白色念珠菌擬單倍體菌株特性之研究

Other Title
Studies on the Characteristics of the Parahaploid Strains of Candida albicans
Type
thesis
Date Issued
2009-07-02
Author(s)
廖家瑜
Advisor
林哲堂
Subjects
系所名稱:牙醫學系碩博士班
Description
學位別:碩士
語文別:中文
指導教授:林哲堂
共同指導教授:蘇慶華
口試委員:李清福;許瑞祥;許元勳
中文關鍵字:白色念珠菌;流式細胞儀;減數分裂;單倍體
Abstract
白色念珠菌 (Candida albicans) 是伺機性感染的真菌,也是人體真菌感染最常見的種類。它被視為具擬有性世代的絕對雙倍體,生活史中未被發現有性世代,但最近研究顯示其具有擬有性世代之現象。本實驗選取了31個已知為形態上獨特 (包括Pink, Long, Mycelium, Big, Fat…等形態) 之菌株進行實驗,並以標準菌株SC5314為二倍體控制組。先以PCR判定性別,可分成a1、α1α2、a1/α1、a1/α2及a1/α1α2等五種組合型。經12個月培養後,定期以流式細胞儀檢察其倍數體,發現此五種性別組合均有單倍體的菌株出現,可能修正Janbon (1998, 1999) 等人所提出是否單倍體會自行二倍體化或成為同型合子之假說。由以上結果亦顯示,除了a型 (a1交配型) 及α型 (α1α2交配型) 外,仍出現重組型 (亦即a1/α1、a1/α2與a1/α1α2),亦可能更正a1及α1α2為獨立連鎖基因 (Interlocked alleles) 之假說。另外,本研究發展出以藥物紙錠擴散法 (Fluconazole disc diffusion method) 作為鑑定a1型單倍菌株之方法。
URI
https://203.71.86.71/handle/123456789/12816
https://hdl.handle.net/11296/743hq8
File(s)
No Thumbnail Available
Name

C0191215.pdf

Size

51.97 MB

Format

Adobe PDF

Checksum

(MD5):9555f6318ebfcbc9522b4bfc944fb23b

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