Discovery and characterization of novel type ID CRISPR-guided transposons identified among diverse Tn7-like elements in cyanobacteria

SC Hsieh, JE Peters - Nucleic Acids Research, 2023 - academic.oup.com
CRISPR-Cas defense systems have been naturally coopted for guide RNA-directed
transposition by Tn7 family bacterial transposons. We find cyanobacterial genomes are rich …

Genomic mysteries of giant bacteria: insights and implications

D Ionescu, JM Volland, PE Contarini… - Genome Biology and …, 2023 - academic.oup.com
Bacteria and Archaea are traditionally regarded as organisms with a simple morphology
constrained to a size of 2–3 µm. Nevertheless, the history of microbial research is rich in the …

[HTML][HTML] Hapalosiphonacean cyanobacteria (Nostocales) thrived amid emerging embryophytes in an early Devonian (407-million-year-old) landscape

C Strullu-Derrien, F Fercoq, M Gèze, P Kenrick… - Iscience, 2023 - cell.com
Cyanobacteria have a long evolutionary history, well documented in marine rocks. They are
also abundant and diverse in terrestrial environments; however, although phylogenies …

Ancient rapid radiation explains most conflicts among gene trees and well-supported phylogenomic trees of Nostocalean cyanobacteria

CJ Pardo-De la Hoz, N Magain, B Piatkowski… - Systematic …, 2023 - academic.oup.com
Prokaryotic genomes are often considered to be mosaics of genes that do not necessarily
share the same evolutionary history due to widespread horizontal gene transfers (HGTs) …

[HTML][HTML] Cyanobacteriochromes from Gloeobacterales provide new insight into the diversification of cyanobacterial photoreceptors

NC Rockwell, JC Lagarias - Journal of Molecular Biology, 2024 - Elsevier
The phytochrome superfamily comprises three groups of photoreceptors sharing a
conserved GAF (cGMP-specific phosphodiesterases, cyanobacterial adenylate cyclases …

Mojavia aguilerae and M. dolomitestris — two new Nostocaceae (Cyanobacteria) species from the Americas

LM Baldarelli, N Pietrasiak, K Osorio‐Santos… - Journal of …, 2022 - Wiley Online Library
While nostocacean cyanobacteria are ubiquitous and play critical roles in terrestrial
ecosystems, their taxonomy and biogeography still entail mysteries. We isolated two Nostoc …

The Raphidiopsis (= Cylindrospermopsis) raciborskii pangenome updated: Two new metagenome-assembled genomes from the South American clade

M Laux, CM Piroupo, JC Setubal, A Giani - Harmful Algae, 2023 - Elsevier
Abstract Two Raphidiopsis (= Cylindrospermopsis) raciborskii metagenome-assembled
genomes (MAGs) were recovered from two freshwater metagenomic datasets sampled in …

[PDF][PDF] Revision of the pantropical genus Brasilonema (Nostocales, Cyanobacteria), with the description of 24 species new to science

M Bohunická, JR Johansen, CD Villanueva, J Mareš… - Fottea, 2024 - researchgate.net
Brasilonema was separated from Scytonema only in 2007 (Fiore et al. 2007). It possesses
diagnostic morphological characteristics such as vacuole–like structures in older cells …

[HTML][HTML] Facilitating restoration of degraded biological soil crusts using mixed culture inoculation

S Reeve, B Palmer, P Cobb, N Pietrasiak… - Journal of Arid …, 2023 - Elsevier
In arid and semiarid ecosystems, the biological soil crust (biocrust) community is
ecologically critical and it is advantageous to restore damaged biocrust. Coastal sage scrub …

[HTML][HTML] Diversity and bioprospecting for industrial hydrolytic enzymes of microbial communities isolated from deserted areas of south-east Morocco

A Manni, A Filali-Maltouf - AIMS microbiology, 2022 - ncbi.nlm.nih.gov
The current study aimed to analyze bacterial communities' diversity and abundance in three
different deserted areas (Merzouga, Mhamid Elghizlane, and Erg lihoud) located in …