Ecogenomics of the Marine Benthic Filamentous Cyanobacterium Adonisia.
Microb Ecol
; 80(2): 249-265, 2020 Aug.
Article
in En
| MEDLINE
| ID: mdl-32060621
ABSTRACT
Turfs are among the major benthic components of reef systems worldwide. The nearly complete genome sequences, basic physiological characteristics, and phylogenomic reconstruction of two phycobiliprotein-rich filamentous cyanobacteria strains isolated from turf assemblages from the Abrolhos Bank (Brazil) are investigated. Both Adonisia turfae CCMR0081T (= CBAS 745T) and CCMR0082 contain approximately 8 Mbp in genome size and experiments identified that both strains exhibit chromatic acclimation. Whereas CCMR0081T exhibits chromatic acclimation type 3 (CA3) regulating both phycocyanin (PC) and phycoerythrin (PE), CCMR0082 strain exhibits chromatic acclimation type 2 (CA2), in correspondence with genes encoding specific photosensors and regulators for PC and PE. Furthermore, a high number and diversity of secondary metabolite synthesis gene clusters were identified in both genomes, and they were able to grow at high temperatures (28 °C, with scant growth at 30 °C). These characteristics provide insights into their widespread distribution in reef systems.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Genome, Bacterial
/
Cyanobacteria
Type of study:
Prognostic_studies
Country/Region as subject:
America do sul
/
Brasil
Language:
En
Journal:
Microb Ecol
Year:
2020
Document type:
Article
Affiliation country:
Brazil