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Fiber-deficient diets reprogram the microbiota
Cell Host Microbe. 2023 Dec 13;31(12):1950-1951. doi: 10.1016/j.chom.2023.11.014.ABSTRACTExclusive enteral nutrition, a diet lacking fiber, is used to treat pediatric Crohn's disease. In this issue of Cell Host & Microbe, Kuffa et al. find that a fiber-deficient diet thins the mucus layer and alters microbial cross-feeding, causing pro-inflammatory Mucispirillum to move away from the epithelium, which ameliorates colitis.PMID:38096786 | DOI:10.1016/j.chom.2023.11.014 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Bradley G Fitzgerald Matthew T Sorbara Source Type: research

"AHR-ming" host defense against cryptosporidiosis
Cell Host Microbe. 2023 Dec 13;31(12):1952-1953. doi: 10.1016/j.chom.2023.11.019.ABSTRACTGlobally, cryptosporidiosis is a leading cause of childhood diarrheal disease and is a major risk factor for malnutrition and impairment of growth and cognitive development. In this issue of Cell Host & Microbe, Maradana et al. identify a target for dietary enhancement of innate immune defenses against cryptosporidiosis.PMID:38096787 | DOI:10.1016/j.chom.2023.11.019 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Jojo Reyes George S Yap Source Type: research

Walking down the phosphorylation path to root immunity
Cell Host Microbe. 2023 Dec 13;31(12):1953-1955. doi: 10.1016/j.chom.2023.11.013.ABSTRACTPathogen perception in plant roots is under-explored compared to that in shoots. In this issue of Cell Host & Microbe, Wang et al. characterize the phosphorylation-mediated signaling pathway that positively and negatively regulates plant resistance to bacterial wilt disease upon perception of a metabolite from the soil-borne vascular pathogen Ralstonia solanacearum.PMID:38096788 | DOI:10.1016/j.chom.2023.11.013 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Alberto P Macho Source Type: research

It takes a plant village to raise a microbiome
Cell Host Microbe. 2023 Dec 13;31(12):1956-1958. doi: 10.1016/j.chom.2023.11.009.ABSTRACTIn this issue of Cell Host and Microbe, Meyer et al. explore the effects of host history on the inheritance of the plant microbiome. They find that transmission from the same plant species resulted in microbiota specialization, while transmission from a different species resulted in host generalism.PMID:38096789 | DOI:10.1016/j.chom.2023.11.009 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Melissa Y Chen Cara H Haney Source Type: research

Vivax malaria and Duffy antigen: Stop being so negative
Cell Host Microbe. 2023 Dec 13;31(12):1959-1960. doi: 10.1016/j.chom.2023.11.017.ABSTRACTDuffy blood group antigen (Duffy antigen/receptor for chemokines, atypical chemokine receptor-1, Duffy antigen), an essential Plasmodium vivax invasion receptor, is absent in most Africans. In this issue, two papers show erythroid precursors from Duffy-negative individuals transiently surface-express Duffy antigen and support vivax infection, potentially explaining low-density vivax infections across Africa.PMID:38096790 | DOI:10.1016/j.chom.2023.11.017 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Patrick E Duffy Karthigayan Gunalan Louis H Miller Source Type: research

Infant gut DNA bacteriophage strain persistence during the first 3 years of life
Cell Host Microbe. 2023 Dec 5:S1931-3128(23)00466-3. doi: 10.1016/j.chom.2023.11.015. Online ahead of print.ABSTRACTBacteriophages are key components of gut microbiomes, yet the phage colonization process in the infant gut remains uncertain. Here, we establish a large phage sequence database and use strain-resolved analyses to investigate DNA phage succession in infants throughout the first 3 years of life. Analysis of 819 fecal metagenomes collected from 28 full-term and 24 preterm infants and their mothers revealed that early-life phageome richness increases over time and reaches adult-like complexity by age 3. Approxima...
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Yue Clare Lou LinXing Chen Adair L Borges Jacob West-Roberts Brian A Firek Michael J Morowitz Jillian F Banfield Source Type: research

Bacterial antigens unleash tumor-targeting immunity
Cell Host Microbe. 2023 Dec 13;31(12):1945-1947. doi: 10.1016/j.chom.2023.11.001.ABSTRACTThe composition of the gut microbiome has been shown to influence disease outcome in patients with colorectal cancer (CRC). In a recent Nature Biotechnology article, Wang et al. demonstrate that killing CRC-associated bacteria with a liposomal antibiotic elicits CRC-targeting immune responses of therapeutic relevance as a consequence of epitope mimicry.PMID:38096784 | DOI:10.1016/j.chom.2023.11.001 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Nina Boeck Zlatko Trajanoski Lorenzo Galluzzi Source Type: research

tHIS way to cognitive development
Cell Host Microbe. 2023 Dec 13;31(12):1947-1949. doi: 10.1016/j.chom.2023.11.018.ABSTRACTThe effect of the microbiota-gut-brain axis on cognitive development in infancy is increasingly being scrutinized. In this issue of Cell Host & Microbe, Cerdó, Ruiz, and colleagues skillfully combine clinical and preclinical analyses, including a fecal transplantation experiment, to reveal associations between microbiota composition, cognitive scores, and histidine metabolism.PMID:38096785 | DOI:10.1016/j.chom.2023.11.018 (Source: Cell Host and Microbe)
Source: Cell Host and Microbe - December 14, 2023 Category: Microbiology Authors: Sylvie Rabot Source Type: research