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Towards an understanding of the role of intrinsic protein disorder on plant adaptation to environmental challenges

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Cell Stress and Chaperones Aims and scope

Abstract

Intrinsic protein disorder is an interesting structural feature where fully functional proteins lack a three-dimensional structure in solution. In this work, we estimated the relative content of intrinsic protein disorder in 96 plant proteomes including monocots and eudicots. In this analysis, we found variation in the relative abundance of intrinsic protein disorder among these major clades; the relative level of disorder is higher in monocots than eudicots. In turn, there is an inverse relationship between the degree of intrinsic protein disorder and protein length, with smaller proteins being more disordered. The relative abundance of amino acids depends on intrinsic disorder and also varies among clades. Within the nucleus, intrinsically disordered proteins are more abundant than ordered proteins. Intrinsically disordered proteins are specialized in regulatory functions, nucleic acid binding, RNA processing, and in response to environmental stimuli. The implications of this on plants’ responses to their environment are discussed.

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Correspondence to Luis Carlos Rodríguez-Zapata.

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Zamora-Briseño, J.A., Pereira-Santana, A., Reyes-Hernández, S.J. et al. Towards an understanding of the role of intrinsic protein disorder on plant adaptation to environmental challenges. Cell Stress and Chaperones 26, 141–150 (2021). https://doi.org/10.1007/s12192-020-01162-5

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  • DOI: https://doi.org/10.1007/s12192-020-01162-5

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