淡紫擬青黴菌
淡紫擬青黴菌![]() | |
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淡紫擬青黴菌的分生孢子 | |
科學分類 ![]() | |
界: | 真菌界 Fungi |
門: | 子囊菌門 Ascomycota |
綱: | 糞殼菌綱 Sordariomycetes |
目: | 肉座菌目 Hypocreales |
科: | 線蟲草科 Ophiocordycipitaceae |
屬: | 紫孢霉屬 Purpureocillium |
種: | 淡紫擬青黴菌 P. lilacinum
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二名法 | |
Purpureocillium lilacinum (Thom) Luangsa-ard, Hou- braken, Hywel-Jones & Samson (2011)
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異名[2] | |
Paecillium Luangsa-ard, Hywel-Jones & Samson nom. prov. (2007)[1] |
淡紫擬青黴菌(學名:Purpureocillium lilacinum)又稱淡紫紫孢菌[3],是線蟲草科紫孢霉屬的一種真菌[4],已自土壤、沈積物、污泥、昆蟲與線蟲樣本中採得,在攝氏8-38度的溫度下皆可生長,其中以26-30度較佳,且對pH值與生長基質的耐受範圍也相當廣[5][6]。本種因可感染線蟲而被用於對抗線蟲蟲害的生物防治劑。
分類
淡紫擬青黴菌於1910年由美國真菌學家查爾斯·索姆發表描述,當時被歸入青黴屬中,學名為Penicillium lilacinum[7]。1974年Robert A. Samson將其改歸入擬青黴屬(Paecilomyces)[5]。2000年代的研究發現擬青黴屬非單系群[8][9],後有學者發表新屬紫孢霉屬(Purpureocillium)並將本種分入其中,屬名意指「紫色的孢子」,得名自該屬真菌紫色的分生孢子[10],本種的分生孢子呈橢圓形至梭形,由菌絲末端的特化結構瓶梗產生,分散排列成鏈狀結構,表面光滑至稍微粗糙,尚未觀察到厚垣孢子;菌絲為透明,寬2.5-4微米[5]。
感染線蟲
![](http://images.weserv.nl/?url=//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/A_juvenile_root-knot_nematode_%28Meloidogyne_incognita%29_penetrates_a_tomato_root_-_USDA-ARS.jpg/150px-A_juvenile_root-knot_nematode_%28Meloidogyne_incognita%29_penetrates_a_tomato_root_-_USDA-ARS.jpg)
1966年即有研究發現淡紫擬青黴菌可感染線蟲的卵[11],其菌絲在線蟲卵的表面上生長後可形成附著器(菌絲尖端的膨大特化結構),進而穿透卵殼、殺死線蟲、並產生更多的分生孢子以繼續感染周圍的卵。目前淡紫擬青黴菌已自多種線蟲與多個地區的土壤樣本中被發現[12][13]。本種可用於生物防治以對抗線蟲的蟲害,祕魯已有數個野外試驗成功使用本種抑制線蟲蟲害[14],當地的品系進而被送至世界各地不同氣候、作物的環境下進行測試[15],各品系感染線蟲的毒力不同,有些品系在雖實驗室測試中取得成功,但實際應用上效果不彰[16]。
致病
淡紫擬青黴菌在少數情況下可感染人類致病[17][18],大多數患者為免疫缺乏者或體內留置醫療器具(如人工晶狀體)者[19][20],有研究顯示本種可能為感染免疫缺乏與免疫正常者的新興病原[21][22]。
參考文獻
- ^ Domsch KH, Gams W, Anderson TH (編). Compendium of Soil Fungi 2nd. Lubrecht & Cramer Ltd. 2007: 322. ISBN 978-3-9803083-8-0.
- ^ Paecilomyces lilacinus (Thom) Samson 1974. MycoBank. International Mycological Association. [2011-07-17].
- ^ 王毅、王娟、王四海、李雲琴、原曉龍、陳中華. 蒜头果的内生真菌多样性分析. 基因組學與應用生物學. 2018, 9 [2022-07-17]. (原始內容存檔於2022-07-17).
- ^ Spatafora; et al. New 1F1N Species Combinations in Ophiocordycipitaceae (Hypocreales). IMA Fungus. 2015, 6 (2): 357–362. PMC 4681259
. PMID 26734546. doi:10.5598/imafungus.2015.06.02.07.
- ^ 5.0 5.1 5.2 Samson RA. Paecilomyces and some allied hyphomycetes. Studies in Mycology. 1974, 6: 58.
- ^ Anderson TH, Domsch KH, Gams W. Compendium of Soil Fungi. Lubrecht & Cramer Ltd. 1995. ISBN 978-3-9803083-8-0.
- ^ Thom C. Cultural studies of species of penicillium. Bulletin of the Bureau of Animal Industry US Department of Agriculture. 1910, 118: 73.
- ^ Inglis PW, Tigano MS. Identification and taxonomy of some entomopathogenic Paecilomyces spp. (Ascomycota) isolates using rDNA-ITS Sequences (PDF). Genetics and Molecular Biology. 2006, 29 (1): 132–6 [2022-07-17]. doi:10.1590/s1415-47572006000100025
. (原始內容存檔 (PDF)於2015-09-24).
- ^ Sung GH, Hywel-Jones NL, Sung JM, Luangsa-ard JJ, Shrestha B, Spatafora JW. Phylogenetic classification of Cordyceps and the clavicipitaceous fungi. Studies in Mycology. 2007, 57 (1): 5–59. PMC 2104736
. PMID 18490993. doi:10.3114/sim.2007.57.01.
- ^ Luangsa-Ard J, Houbraken J, van Doorn T, Hong SB, Borman AM, Hywel-Jones NL, Samson RA. Purpureocillium, a new genus for the medically important Paecilomyces lilacinus. FEMS Microbiology Letters. 2011, 321 (2): 141–9. PMID 21631575. doi:10.1111/j.1574-6968.2011.02322.x
.
- ^ Lysek H. Study of biology of geohelminths. II. The importance of some soil microorganisms for the viability of geohelminth eggs in the soil. Acta Universitatis Palackianae Olomucensis. 1996, 40: 83–90.
- ^ Stirling, GR. Biological Control of Plant Parasitic Nematodes. UK: CABI Publishing. 1991: 282.
- ^ Stirling GR, West LM. Fungal parasites of root-knot nematode eggs from tropical and sub-tropical regions of Australia. Australasian Plant Pathology. 1991, 20 (4): 149–54. S2CID 34778287. doi:10.1071/APP9910149.
- ^ Jatala P, Kaltenbach R, Bocangel M. Biological control of Meloidogyne incognita acrita and Globodera pallida on potatoes. Journal of Nematology. 1979, 11: 303.
- ^ Jatala P. Biological control of plant-parasitic nematodes. Annual Review of Phytopathology. 1986, 24: 453–89. doi:10.1146/annurev.py.24.090186.002321.
- ^ Gomes Carniero RMD, Cayrol J. Relationship between inoculum density of the nematophagous fungus Paecilomyces lilacinus and control of Meloidogyne arenaria on tomato. Revue de Nématologie. 1991, 14 (4): 629–34.
- ^ Saberhagen C, Klotz SA, Bartholomew W, Drews D, Dixon A. Infection due to Paecilomyces lilacinus: a challenging clinical identification. Clinical Infectious Diseases. 1997, 25 (6): 1411–3. PMID 9431388. doi:10.1086/516136.
- ^ Westenfeld F, Alston WK, Winn WC. Complicated soft tissue infection with prepatellar bursitis caused by Paecilomyces lilacinus in an immunocompetent host: case report and review. Journal of Clinical Microbiology. 1996, 34 (6): 1559–62. PMC 229063
. PMID 8735119. doi:10.1128/JCM.34.6.1559-1562.1996.
- ^ O'Day DM. Fungal endophthalmitis caused by Paecilomyces lilacinus after intraocular lens implantation. American Journal of Ophthalmology. 1977, 83 (1): 130–1. PMID 299984. doi:10.1016/0002-9394(77)90206-9.
- ^ Pettit TH, Olson RJ, Foos RY, Martin WJ. Fungal endophthalmitis following intraocular lens implantation. A surgical epidemic. Archives of Ophthalmology. 1980, 98 (6): 1025–39. PMID 7190003. doi:10.1001/archopht.1980.01020031015002.
- ^ Safdar A. Progressive cutaneous hyalohyphomycosis due to Paecilomyces lilacinus: rapid response to treatment with caspofungin and itraconazole. Clinical Infectious Diseases. 2002, 34 (10): 1415–7. PMID 11981740. doi:10.1086/340260
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- ^ Carey J, D』Amico R, Sutton DA, Rinaldi MG. Paecilomyces lilacinus vaginitis in an immunocompetent patient.. Emerg Infect Dis. 2003 [2022-07-17]. (原始內容存檔於2009-11-05).
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