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Lipids in plants and microbes

TLDR
The lipid composition of plants and microorganisms is affected by terpenoids and steroids, and lipid distributions in different organisms and their use in taxonomy are studied.
Abstract
1 Introduction.- 1A General remarks.- 1B Classification of organisms.- 1C Lipid nomenclature.- 2 Major Lipid Types in Plants and Micro-Organisms.- 2A Fatty acids.- 2B Acyl lipids.- 2C Terpenoids.- 2D Sterols.- 2E Other lipid types.- 2F Ether lipids.- 3 Distribution of Lipids.- 3A Lipid distributions in different organisms and their use in taxonomy.- 3B Subcellular distribution of lipids.- 3C Intramembrane lipid distribution.- 3D Subcellular fractionation and membrane isolation.- 3E Factors affecting the lipid composition of plants and microorganisms.- 4 Biosynthesis.- 4A Fatty acids.- 4B Acyl lipids.- 4C Terpenoids and steroids.- 4D Complex lipids.- 4E Ether lipids.- 5 Degradation.- 5A Degradation of acyl lipids.- 5B Oxidation of fatty acids.- 6 Lipid Functions.- 6A Membrane structure and function.- 6B Storage.- 6C Microbial lipids as virulence factors.- 6D Conclusion.- Further reading.

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Journal ArticleDOI

The use of phospholipid fatty acid analysis to estimate bacterial and fungal biomass in soil

TL;DR: The cell content of 12 bacterial phospholipid fatty acids (PLFA) was determined in bacteria extracted from soil by homogenization/centrifugation and the soil content of the PLFA 18:2ω6 was correlated with the ergosterol content, which supports the use of this PLFA as an indicator of fungal biomass.
Journal ArticleDOI

Fatty acid patterns of phospholipids and lipopolysaccharides in the characterisation of microbial communities in soil: a review

TL;DR: Results from principal component analysis showed that determining the levels of fatty acids present in both low and high concentrations is essential in order to correctly identify microorganisms and accurately classify them into taxonomically defined groups.
Journal ArticleDOI

The macromolecular organic composition of plant and microbial residues as inputs to soil organic matter

TL;DR: In this paper, an overview is given on the amount of litter input, the proportion of various plant parts and their distribution (below-ground/above-ground), as well as the relative proportion of different plant tissues.
Book ChapterDOI

Fatty acid trophic markers in the pelagic marine environment.

TL;DR: A conceptual model of the spatial and temporal dominance of group-specific primary producers, and hence the basic fatty acid patterns available to higher trophic levels is presented and is based on stratification.
Journal ArticleDOI

Impacts of Carbon and Flooding on Soil Microbial Communities: Phospholipid Fatty Acid Profiles and Substrate Utilization Patterns

TL;DR: Direct comparison of PLFA and substrate utilization patterns indicated that Biolog patterns are highly selective, and do not reflect compositional changes in soil communities.
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