期刊
FUNGAL BIOLOGY
卷 114, 期 1, 页码 57-63出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mycres.2009.10.006
关键词
Agaricomycetes; Ballistospore; Basidiomycota; Basidiospore; Convergence; Hymenium
类别
资金
- National Science Foundation [0743074]
- National Institutes of Health Health/NIEHS [1R15 ES016425]
- NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES [R15ES016425] Funding Source: NIH RePORTER
Gilled mushrooms are produced by multiple orders within the Agaricomycetes. Some species form a single array of unbranched radial gills beneath their caps, many others produce multiple files of lamellulae between the primary gills, and branched gills are also common. In this largely theoretical study we modeled the effects of different gill arrangements on the total surface area for spore production. Relative to spore production over a flat surface, gills achieve a maximum 20-fold increase in surface area. The branching of gills produces the same increase in surface area as the formation of free-standing lamellulae (short gills). The addition of lamellulae between every second gill would offer a slightly greater increase in surface area in comparison to the addition of lamellulae between every pair of opposing gills, but this morphology does not appear in nature. Analysis of photographs of mushrooms demonstrates an excellent match between natural gill arrangements and configurations predicted by our model. (C) 2009 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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