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觀察真菌

Exp. 12

江倪全

https://sites.google.com/a/gap.cgu.edu.tw/bac_pathog/lecture

2018-05-08

學⼠後護理系

參考書⽬

微⽣物及免疫學實驗. 華杏出版

(2)

真菌的分類與結構

黴菌

(

多細胞

)

(mold)

-

有隔膜菌絲

(Septate hyphae)

-

無隔膜菌絲

(Coenocytic hyphae)

核分裂

出芽

萌芽管

芽⽣分⽣孢⼦

假菌絲

酵母菌

(

單細胞

)

(yeast)

-

出芽⽣殖 (Budding

yeast)

-

分裂⽣殖 (Fission

yeast)

雙相性真菌

(Dimorphic fungi)

37ºC: 類酵母樣

yeastlike

25ºC: 類黴菌樣

moldlike

(3)

真菌的構造-酵母菌

萌芽管

芽⽣分⽣孢⼦

假菌絲

http://www.studyblue.com

萌芽管

假菌絲

出芽⽣殖

http://en.wikipedia.org

酵母菌

(4)

真菌顯微構造的觀察-酵母菌樣真菌

⽩⾊念珠菌

Candida

albicans

酵母細胞

筴膜

新型隱球菌

Cryptococcus

neoformans

(5)
(6)

真菌的分類

Phylum

-

球囊菌⾨ Glomeromycota

✓ 孢⼦囊孢⼦ (Sporangium)

-

⼦囊菌⾨ Ascomycota

✓ 分⽣孢⼦ (Conidia)

-

擔⼦菌⾨ Basidiomycota

✓ 擔孢⼦ Basidiospores

http://en.wikipedia.org

接合孢⼦

⼦囊孢⼦

(7)
(8)

真菌的結構:孢⼦

(9)

真菌的分類

⼦囊菌⾨

球囊菌⾨

分⽣孢⼦

孢⼦囊孢⼦

隔膜菌絲

Sexual spore

Asexual spore

Ascomycota

Glomeromycota

Conidiospore

(10)

黴菌的型態

Mold

http://thunderhouse4-yuri.blogspot.ca

http://thunderhouse4-yuri.blogspot.ca

http://en.wikipedia.org

(11)

真菌的培養

培養條件

-

腦⼼浸出物瓊脂 (Brain heart infusion (BHI) agar); Sabouraud dextrose agar

dextrose, peptone, agar, pH 5.6

-

最佳⽣⾧溫度: 25ºC to 30ºC (由⾎液檢體中分離出之念珠菌

Candida spp: 35ºC-37ºC)

-

培養時間: 2 星期; 由⾎液檢體中分離出之真菌: 5-7 天

膠帶法

- 快速

- 保持菌絲與孢⼦排列⽅式 - 不易觀察假根構造

玻⽚培養法 - 耗時

(12)

真菌顯微構造的觀察-黴菌樣真菌

分⽣孢⼦ Conidiospore

孢⼦囊孢⼦ Sporangiospore

http://thunderhouse4-yuri.blogspot.ca

http://thunderhouse4-yuri.blogspot.ca

12

Penicillium

青黴菌

(13)
(14)

真菌顯微構造的觀察-黴菌樣真菌

Alternaria

http://en.wikipedia.org

http://mycota-crcc.mnhn.fr

http://thunderhouse4-yuri.blogspot.ca

14

Alternaria

鏈格孢菌

(15)

参照

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