Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 540977
Title Detailed biochemical and morphologic characteristics of the green microalga Neochloris oleoabundans cell wall
Author(s) Rashidi, Behzad; Trindade, Luisa M.
Source Algal Research 35 (2018). - ISSN 2211-9264 - p. 152 - 159.
Department(s) Plant Breeding
PBR Bio-based Economy
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Biochemical composition - Cell wall - Chlorophyta - Electron microscopy - Green microalgae - Neochloris oleoabundans

Chlorophyta, the group of green algae of which there are >6000 species, manifests a great diversity of intercellular and extracellular components. Building blocks in the cell walls of Chlorophyta are very distinct and they may contain various components. Here, we characterize the cell walls of Neochloris oleoabundans, a Chlorophyte microalga, both in terms of biochemical composition and morphology. N. oleoabundans cell walls are composed of about 24.3% carbohydrates, 31.5% proteins, 22.2% lipids and 7.8% inorganic material, which contrasts to the cell walls of (higher) terrestrial plants in which carbohydrates are by far the main component. We also observed that cell wall carbohydrates are mainly non-cellulosic polysaccharides, essentially composed of rhamnose, galactose, glucuronic acid and glucosamine, of which glucose is only a minor component. The lipids comprising the N. oleoabundans cell walls are generally wax/cutin-like. Electron microscopic studies revealed that N. oleabundans cell walls are approximately 200 nm thick and consist of two main layers: a thinner inner layer and a more electron-dense outer layer. On the outer layer are hair-like structures that are possibly rich in carbohydrates. These findings are an important contribution that enable us to understand the complexity of cell walls in green microalgae.

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