The functions of novel plant transmembrane microprotein FAMOSS in Physcomitrium patens

Авторы: Sedlov I.A., Kniazev A.N., Golub N.O., Kharlampieva D.D., Lazarev V.N., Ptushenko V.V., Mamaeva A.S.
Сборник: Plant Genetics, Genomics, Bioinformatics, and Biotechnology (PlantGen2023): abstracts / Eds. A.A. Kalachev., T.A. Gorhkova, M.L. Ponomareva; FIC KazSC RAS
Тезисы
Год издания: 2023
Место издания: FEN Kazan Kazan, Russia
Первая страница: 350
Последняя страница: 350
Аннотация: Microproteins encoded by small open reading frames (smORFs) located on long non-coding RNAs (lncRNAs) constitute a significant but insufficiently studied part of the plant cell proteome.Previously, we confirmed translation of an sORF encoding a conserved 41 a.a. microprotein located ona transcript annotated as lncRNA in the moss Physcomitrium patens. Because of the characteristic phenotypeof the mutant lines, the microprotein was named FAMOSS (FAst-growing MOSS).We showed that this microprotein is localized in the thylakoid membrane of chloroplasts. The analysisof the microprotein interactome suggested its interaction with the light harvesting-like proteins. Plants overexpressing the microprotein have increased sensitivity to high light due to reduced non-photochemical quenching (NPQ). In addition, we observed changes in vesicular trafficking in mutant lines, which may be associatedwith the regulation of photosynthesis.
Добавил в систему: Седлов Илья Андреевич

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