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Abstract A wide range of microorganisms produce storage biopolymer polyhydroxyalkanoates (sPHAs) as carbon and energy reserves. However, only bacteria and fungi are known to degrade microbial sPHAs, using enzymes called polyhydroxyalkanoate depolymerases (PHADs).
Editor’s summary For most animals, cholesterol is an essential membrane lipid and signaling molecule. Plants and fungi use chemically similar molecules with one or two additional carbon atoms. Michellod et al. studied two species of gutless marine annelids and found that they produced sitosterol, a common plant lipid, as the main sterol in their lipid membranes (see the Perspective by Brocks and Bobrovskiy).
New Results Benedikt K Geier, View ORCID ProfileEmilia Sogin, Dolma Michellod, Moritz Janda, Mario Kompauer, Bernhard Spengler, View ORCID ProfileNicole Dubilier, View ORCID ProfileManuel Liebeke doi: https://doi.org/10.1101/555045 Abstract Spatial metabolomics describes the location and chemistry of small molecules involved in metabolic phenotypes, defense molecules and chemical interactions in natural communities.
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