# 16S rRNA gene amplicon sequences from coastal sediments at the Sonoran Desert and Gulf of California interface

**Authors:** Cristal Ramos-Madrigal, Esperanza Martínez-Romero, Yunuen Tapia-Torres, Luis E. Servín-Garcidueñas

PMC · DOI: 10.1128/mra.01003-25 · Microbiology Resource Announcements · 2025-10-14

## TL;DR

This paper presents the bacterial and archaeal community composition in coastal desert sediments using 16S rRNA gene sequencing.

## Contribution

The study provides a detailed taxonomic analysis of microbial communities in a unique extreme environment at the Sonoran Desert and Gulf of California interface.

## Key findings

- Halobacterota, Bacteroidota, and Proteobacteria were identified as dominant phyla in the sediments.
- The 16S rRNA gene amplicon data serves as a resource for studying microbial diversity in extreme environments.

## Abstract

We report the taxonomic composition of bacterial and archaeal communities from sand and salt-crust sediments in the coastal Sonoran Desert, Mexico. Analysis of 16S rRNA gene amplicon sequences revealed Halobacterota, Bacteroidota, and Proteobacteria as dominant phyla, providing a resource to explore microbial diversity in extreme environments.

## Linked entities

- **Genes:** 16S rRNA (16S ribosomal RNA) [NCBI Gene 2597965]

## Full-text entities

- **Chemicals:** Halophiles (-), Salt (MESH:D012492)
- **Species:** Natronorubrum tibetense (species) [taxon 63128], Bacillota (clostridial firmicutes, phylum) [taxon 1239], Pseudomonadota (proteobacteria, phylum) [taxon 1224], Bacteroidota (Bacteroides-Cytophaga-Flexibacter group, phylum) [taxon 976], Actinomycetota (actinobacteria, phylum) [taxon 201174], Natronococcus occultus (species) [taxon 29288], Halalkalicoccus jeotgali (species) [taxon 413810], Natrinema pellirubrum (species) [taxon 69525]

## Full text

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## Figures

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## References

19 references — full list in the complete paper: https://tomesphere.com/paper/PMC12613893/full.md

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Source: https://tomesphere.com/paper/PMC12613893