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生物和非生物因素对一种腐生氨真菌分生孢子萌发的影响

Effect of biotic and abiotic factors on conidial germination of a saprobic ammonia fungus .

作者信息

Licyayo Dinah Corazon M, Suzuki Akira

机构信息

College of Agriculture and Home Science, Ifugao State University, Lamut, Philippines.

Department of Natural Sciences, Faculty of Knowledge Engineering, Tokyo City University, Tokya, Japan.

出版信息

Mycology. 2017 Aug 22;8(3):197-204. doi: 10.1080/21501203.2017.1363093. eCollection 2017.

DOI:10.1080/21501203.2017.1363093
PMID:30123640
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6059054/
Abstract

The effects of NHCl concentration (0.1-1600 mM), temperature (5.0-35.0°C), pH (3.0-11.0), conidial density (2.5 × 10-1.0 × 10 conidia/ml), and conidial maturation (0-21 days) on the conidial germination of the early phase (EP) ammonia fungus were investigated. The optimum NHCl concentration for conidial germination was 300 mM. No germination was observed above 1000 mM NHCl, while low NHCl concentration (0.1-30 mM) retarded the conidial germination. The conidia did not germinate in distilled water. The effective pH ranges for the conidial germination were from 5.0 to 9.0 with optimum at 8.0. Germination was possible from 5.0°C to 35°C with the optimum at 15°C. These results demonstrate that ammonium-nitrogen concentration and pH are principal factors in the conidial germination of . It is expected that the obtained physiological characteristics of are suitable to colonize in nitrogen-enriched soil as the EP ammonia fungus.

摘要

研究了氯化铵浓度（0.1 - 1600 mM）、温度（5.0 - 35.0°C）、pH值（3.0 - 11.0）、分生孢子密度（2.5×10 - 1.0×10分生孢子/ml）和分生孢子成熟度（0 - 21天）对早期（EP）氨真菌分生孢子萌发的影响。分生孢子萌发的最佳氯化铵浓度为300 mM。在1000 mM以上的氯化铵浓度下未观察到萌发，而低氯化铵浓度（0.1 - 30 mM）会延迟分生孢子萌发。分生孢子在蒸馏水中不萌发。分生孢子萌发的有效pH范围为5.0至9.0，最适pH为8.0。在5.0°C至35°C之间可以萌发，最适温度为15°C。这些结果表明，铵态氮浓度和pH是该真菌分生孢子萌发的主要因素。预计所获得的该真菌的生理特性适合作为EP氨真菌在富氮土壤中定殖。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/5c63f16287d1/TMYC_A_1363093_F0004_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/11280c3ffcbc/TMYC_A_1363093_F0001_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/90b4109bef18/TMYC_A_1363093_F0002_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/03f81106e8c0/TMYC_A_1363093_F0003_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/5c63f16287d1/TMYC_A_1363093_F0004_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/11280c3ffcbc/TMYC_A_1363093_F0001_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/90b4109bef18/TMYC_A_1363093_F0002_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/03f81106e8c0/TMYC_A_1363093_F0003_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f1cd/6059054/5c63f16287d1/TMYC_A_1363093_F0004_B.jpg

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本文引用的文献

1
The effect of pH on the growth of saprotrophic and ectomycorrhizal ammonia fungi in vitro.pH 值对体外腐生和外生菌根氨真菌生长的影响。
Mycologia. 2003 Jul-Aug;95(4):584-9. doi: 10.1080/15572536.2004.11833062.