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Relevant bibliographies by topics / Transition monoderme

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Academic literature on the topic 'Transition monoderme'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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Journal articles on the topic "Transition monoderme"

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Taib, Najwa, Daniela Megrian, Jerzy Witwinowski, et al. "Genome-wide analysis of the Firmicutes illuminates the diderm/monoderm transition." Nature Ecology & Evolution 4, no. 12 (2020): 1661–72. http://dx.doi.org/10.1038/s41559-020-01299-7.

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Léonard, Raphaël R., Eric Sauvage, Valérian Lupo, et al. "Was the Last Bacterial Common Ancestor a Monoderm after All?" Genes 13, no. 2 (2022): 376. http://dx.doi.org/10.3390/genes13020376.

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The very nature of the last bacterial common ancestor (LBCA), in particular the characteristics of its cell wall, is a critical issue to understand the evolution of life on earth. Although knowledge of the relationships between bacterial phyla has made progress with the advent of phylogenomics, many questions remain, including on the appearance or disappearance of the outer membrane of diderm bacteria (also called Gram-negative bacteria). The phylogenetic transition between monoderm (Gram-positive bacteria) and diderm bacteria, and the associated peptidoglycan expansion or reduction, requires

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Witwinowski, Jerzy, Anna Sartori-Rupp, Najwa Taib, et al. "An ancient divide in outer membrane tethering systems in bacteria suggests a mechanism for the diderm-to-monoderm transition." Nature Microbiology 7, no. 3 (2022): 411–22. http://dx.doi.org/10.1038/s41564-022-01066-3.

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4

Antunes, Luisa CS, Daniel Poppleton, Andreas Klingl, et al. "Phylogenomic analysis supports the ancestral presence of LPS-outer membranes in the Firmicutes." eLife 5 (August 31, 2016). http://dx.doi.org/10.7554/elife.14589.

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One of the major unanswered questions in evolutionary biology is when and how the transition between diderm (two membranes) and monoderm (one membrane) cell envelopes occurred in Bacteria. The Negativicutes and the Halanaerobiales belong to the classically monoderm Firmicutes, but possess outer membranes with lipopolysaccharide (LPS-OM). Here, we show that they form two phylogenetically distinct lineages, each close to different monoderm relatives. In contrast, their core LPS biosynthesis enzymes were inherited vertically, as in the majority of bacterial phyla. Finally, annotation of key OM sy

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5

Sexton, Danielle L., Ameena Hashimi, Polina Beskrovnaya, Lloyd Sibanda, Tao Huan, and Elitza I. Tocheva. "The cell envelope of Thermotogae suggests a mechanism for outer membrane biogenesis." Proceedings of the National Academy of Sciences 120, no. 18 (2023). http://dx.doi.org/10.1073/pnas.2303275120.

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The presence of a cell membrane is one of the major structural components defining life. Recent phylogenomic analyses have supported the hypothesis that the last universal common ancestor (LUCA) was likely a diderm. Yet, the mechanisms that guided outer membrane (OM) biogenesis remain unknown. Thermotogae is an early-branching phylum with a unique OM, the toga. Here, we use cryo-electron tomography to characterize the in situ cell envelope architecture of Thermotoga maritima and show that the toga is made of extended sheaths of β-barrel trimers supporting small (~200 nm) membrane patches. Lipi

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Dissertations / Theses on the topic "Transition monoderme"

1

Megrian, Nuñez Daniela. "Phylogenomic approaches to uncover the diversity and evolution of the bacterial cell envelope." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS349.

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L’enveloppe bactérienne est l’une des structures cellulaires les plus anciennes et les plus fondamentales. Toutefois, de nombreux aspects concernant sa diversité et son histoire évolutive sont encore inconnus. Dans cette thèse, j’ai profité du nombre croissant de génomes disponibles dans les bases de données publiques, afin de mener une analyse de phylogénomique et de génomique comparative à une large échelle évolutive. Les deux objectifs de ce travail doctoral étaient (i) d’identifier de nouvelles lignées didermes au sein des Firmicutes pour éclairer la transition monoderme/diderme, et (ii) d

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