Nitrogen assimilation enzymes in mycorrhizas of Norway spruce, Douglas fir and beech

M. Chalot; B. Dell; B. Botton; F. Martin

doi:10.1016/0167-8809(90)90015-6

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Nitrogen assimilation enzymes in mycorrhizas of Norway spruce, Douglas fir and beech

Journal article

Peer reviewed

Nitrogen assimilation enzymes in mycorrhizas of Norway spruce, Douglas fir and beech

M. Chalot, B. Dell, B. Botton and F. Martin

Agriculture, Ecosystems & Environment, Vol.28(1-4), pp.65-70

1990

DOI: https://doi.org/10.1016/0167-8809(90)90015-6

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Abstract

NAD and NADP dependant glutamate dehydrogenases (GDH) as well as aspartate aminotransferase (AAT) were analyzed on the fungi cultivated in pure culture, on the mycorrhizas and on the non mycorrhizal host roots. Four associations were studied: Norway spruce-Hebeloma sp., Douglas fir-Laccaria laccata, Beech-Hebeloma crustuliniforme and Beech-Paxillus involutus. NADP-GDH present in the fungus and NAD-GDH present in non-infected roots were both detected in spruce and douglas mycorrhizas. By contrast, fungal NADP-GDH was suppressed in mycorrhizas of beech. In the four associations, AAT found in the mycorrhizas corresponded to the host root isoforms whereas the fungal isoform was strongly repressed.

Details

Title: Nitrogen assimilation enzymes in mycorrhizas of Norway spruce, Douglas fir and beech
Authors/Creators: M. Chalot (Author/Creator) - Nancy-Université
B. Dell (Author/Creator) - Murdoch University
B. Botton (Author/Creator) - Nancy-Université
F. Martin (Author/Creator) - Centre de Recherches Forestières de Nancy, Laboratoire de Microbiolologie Forestière, Champenoux, 54280 Seichamps, France
Publication Details: Agriculture, Ecosystems & Environment, Vol.28(1-4), pp.65-70
Publisher: Elsevier BV
Identifiers: 991005540895807891
Copyright: © 1990 Published by Elsevier B.V.
Murdoch Affiliation: School of Biological and Environmental Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.97 Plant Pathology; 3.97.488 Mycorrhizal Symbiosis
Web Of Science research areas: Agriculture, Multidisciplinary; Ecology; Environmental Sciences
ESI research areas: Environment/Ecology