Journal Article

FZJ-2016-05120

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Versatility of the green microalga cell vacuole function as revealed by analytical transmission electron microscopy

Shebanova, A. ; Ismagulova, T. ; Solovchenko, A. (Corresponding author) ; Baulina, O. ; Lobakova, E. ; Ivanova, A. ; Moiseenko, A. ; Shaitan, K. ; Polshakov, V. ; Nedbal, L.FZJ* ; Gorelova, O.

2017
Springer Wien

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Please use a persistent id in citations: doi:10.1007/s00709-016-1024-5

Abstract: Vacuole is a multifunctional compartment central to a large number of functions (storage, catabolism, maintenance of the cell homeostasis) in oxygenic phototrophs including microalgae. Still, microalgal cell vacuole is much less studied than that of higher plants although knowledge of the vacuolar structure and function is essential for understanding physiology of nutrition and stress tolerance of microalgae. Here, we combined the advanced analytical and conventional transmission electron microscopy methods to obtain semi-quantitative, spatially resolved at the subcellular level information on elemental composition of the cell vacuoles in several free-living and symbiotic chlorophytes. We obtained a detailed record of the changes in cell and vacuolar ultrastructure in response to environmental stimuli under diverse conditions. We suggested that the vacuolar inclusions could be divided into responsible for storage of phosphorus (mainly in form of polyphosphate) and those accommodating non-protein nitrogen (presumably polyamine) reserves, respectively.

Keyword(s): Biology (2nd)

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Contributing Institute(s):

1. Pflanzenwissenschaften (IBG-2)

Research Program(s):

1. 582 - Plant Science (POF3-582) (POF3-582)

Appears in the scientific report 2017

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Database coverage:
; BIOSIS Previews ; Current Contents - Agriculture, Biology and Environmental Sciences ; Current Contents - Life Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection ; Zoological Record

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