Variation in nitrogen source utilisation by Pisolithus isolates maintained in axenic culture

被引:12
作者
Anderson, IC [1 ]
Chambers, SM [1 ]
Cairney, JWG [1 ]
机构
[1] Univ Western Sydney, Sch Sci Food & Hort, Mycorrhiza Res Grp, Penrith S DC, NSW 1797, Australia
关键词
ectomycorrhizal fungi; Pisolithus albus; Pisolithus marmoratus; organic nitrogen utilisation; amino acid utilisation;
D O I
10.1007/s005720100102
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The influence of various inorganic and organic nitrogen sources on biomass production by 17 isolates of Australian Pisolithus spp. was investigated before and after a 3-year maintenance period in axenic culture. While some isolates produced similar or higher amounts of biomass on NH4+ or certain amino acids after the maintenance period, there was a general trend to reduced biomass production on these substrates. Biomass production by most isolates on bovine serum albumin increased significantly after maintenance. The data are discussed in relation to the use of axenic culture growth experiments for investigations of inter- and intraspecific physiological variation ill ectomycorrhizal fungi.
引用
收藏
页码:53 / 56
页数:4
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