การจำแนกเชื้อราที่สร้างอาร์โธสปอร์จากมูลสัตว์ในญี่ปุ่น
Identification of arthrospore-forming fungi isolated from animal dungs in japan.

พาณี วรรณนิธิกุล


Abstract
Sixty-three strain of fungi isolated from animal dungs in japan were identified as arthrospore=forming fungi, sixty-one strains were Geotrichum candidum, one strain was Geotrichum sp. and one strain was unidentified fungus.

There are many species of fungi belong to arthrospore-forming fungi group but the well-known species and sometimes is used to be an example of arthrospore formation is Geotrichum candidum, the supposed imperfect state of Endomyces geotrichum, which is extremely common in nature and can be ioslated from soil, polluted water, fruit, vegetables and milk products (1). This fungus is the cause of geotrichosis, an oral, bronchial, pulmonary or intestinal infection in human. It has been known for a long time as Oospora lactis (2). Carmichael (3) has made a detail study of the morphology and occurence of this fungus and provided a long synonymy. G. candidum reproduces by holothallic conidia formed in random chains. These conidia appear as cylindrical-shaped but sometimes oblongs or subglobose.

The present study deals with the identification of arthrospore-forming fungi isolated by Dr. k. Kodama from animal dungs collected in various districts of japan, on the basis of morphological characteristics, biochemical and physiological characteristics.



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