Algibacter
               
            
            agarivorans sp. nov. and 
               
                  Algibacter
               
            
            agarilyticus sp. nov., isolated from seawater, reclassification of 
               
                  Marinivirga aestuarii
               
             as 
               
                  Algibacter
               
            
            aestuarii comb. nov. and emended description of the genus 
               
                  Algibacter

Park, Seong Chan; Hwang, Yeoung Min; Lee, Ji Hee; Baik, Keun Sik; Seong, Chi Nam

doi:10.1099/ijs.0.051300-0

Cited by 31 publications

(13 citation statements)

References 23 publications

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“…At the time of writing, according to the List of Prokaryotic Names with Standing in Nomenclature (21), there were 12 species in the genus Algibacter. Algibacter species have been isolated from seawater (22), green algae (20), intertidal sediment (23), marine sediment (24), sea urchins (25), and brown alga reservoirs (26)(27)(28). Most Algibacter species are isolated from or near the habitat of algae, indicating a preference for the complex polysaccharides of algae.…”

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confidence: 99%

Isolation and Complete Genome Sequence of Algibacter alginolytica sp. nov., a Novel Seaweed-Degrading Bacteroidetes Bacterium with Diverse Putative Polysaccharide Utilization Loci

Sun

Zhang

et al. 2016

Appl Environ Microbiol

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eThe members of the phylum Bacteroidetes are recognized as some of the most important specialists for the degradation of polysaccharides. However, in contrast to research on Bacteroidetes in the human gut, research on polysaccharide degradation by marine Bacteroidetes is still rare. The genus Algibacter belongs to the Flavobacteriaceae family of the Bacteroidetes, and most species in this genus are isolated from or near the habitat of algae, indicating a preference for the complex polysaccharides of algae. In this work, a novel brown-seaweed-degrading strain designated HZ22 was isolated from the surface of a brown seaweed (Laminaria japonica). On the basis of its physiological, chemotaxonomic, and genotypic characteristics, it is proposed that strain HZ22 represents a novel species in the genus Algibacter with the proposed name Algibacter alginolytica sp. nov. The genome of strain HZ22, the type strain of this species, harbors 3,371 coding sequences (CDSs) and 255 carbohydrate-active enzymes (CAZymes), including 104 glycoside hydrolases (GHs) and 18 polysaccharide lyases (PLs); this appears to be the highest proportion of CAZymes (ϳ7.5%) among the reported strains in the class Flavobacteria. Seventeen polysaccharide utilization loci (PUL) are predicted to be specific for marine polysaccharides, especially algal polysaccharides from red, green, and brown seaweeds. In particular, PUL N is predicted to be specific for alginate. Taking these findings together with the results of assays of crude alginate lyases, we prove that strain HZ22 T can completely degrade alginate. This work reveals that strain HZ22 T has good potential for the degradation of algal polysaccharides and that the structure and related mechanism of PUL in strain HZ22T are worth further research. Members of the phylum Bacteroidetes, formerly also known as the Cytophaga-Flavobacteria-Bacteroides cluster, constitute one of the major groups of marine heterotrophic bacterioplankton (1, 2). They have been found in various marine habitats, including coastal sediments (3), coastal waters (4, 5), hydrothermal vents (6, 7), and open ocean waters (8-10). In previous studies, marine Bacteroidetes have been reported as important contributors to the utilization of biopolymers such as polysaccharides and proteins (2,(11)(12)(13)(14). As a result, marine Bacteroidetes are assumed to play an important role in the degradation of algae. Marine phytoplankton have been estimated to be responsible for about 50% of global net primary production (15). Polysaccharides constitute a substantial fraction of the primary production from marine phytoplankton. Algae can be an important source of polysaccharides. Brown seaweeds, a traditional and plentiful mariculture product in East Asia, make up a large proportion of the total biomass of algae and synthesize a wide variety of compounds, such as alginate, fucoidan, laminarin, and mannitol (16). Among these compounds, alginate has been assumed to be a potential source for bioethanol production (17-19).The genus Algibacter belongs...

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confidence: 99%

Isolation and Complete Genome Sequence of Algibacter alginolytica sp. nov., a Novel Seaweed-Degrading Bacteroidetes Bacterium with Diverse Putative Polysaccharide Utilization Loci

Sun

Zhang

et al. 2016

Appl Environ Microbiol

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“…Thus, the fatty acid profile of strain RU-4-M-4 T resembled those of other species of the genus Algibacter (Nedashkovskaya et al , 2004, 2007; Park et al , 2013a, b, c, d; Yoon & Park, 2013). However, strain RU-4-M-4 T contained higher amounts of C 16 : 0 compared with A. pectinivorans KACC 14153 T .…”

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confidence: 71%

“…The genomic DNA G+C content of strain RU-4-M-4 T was 36.4 mol%, which is within the values reported for the type strains of other species of the genus Algibacter . This value was higher than those of A. pectinivorans KACC 14153 T (30 %), A. lectus KMM 3902 T (31.9 %), A. mikhailovii KCTC 12710 T (35.1 %) and Algibacter wandonensis KCTC 32381 T (35.8 %) and lower than those of Algibacter agarivorans KYW560 T (41.0±0.7 %) and Algibacter agarilyticus KYW563 T (38.3±0.4 %) (Nedashkovskaya et al , 2004, 2007; Park et al , 2013d; Yi et al , 2011; Yoon & Park, 2013).…”

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confidence: 79%

“…The genus Algibacter was created by Nedashkovskaya et al (2004) to accommodate rod-shaped bacterial cells, motile by gliding, Gram-negative, containing MK-6 as major respiratory quinone and phosphatidylethanolamine as the main polar lipid compound. Subsequently, emendations of the genus Algibacter were proposed (Nedashkovskaya et al , 2007; Park et al , 2013d) and Marinivirga aestuarii and Pontirhabdus pectinivorans were reclassified as members of the genus Algibacter (Park et al , 2013c, d). At the time of writing, 10 species have been described within the genus Algibacter .…”

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confidence: 99%

“…At the time of writing, 10 species have been described within the genus Algibacter . The species of this genus have been isolated from marine environments (such as seawater, green algae and shellfish) (Nedashkovskaya et al , 2004, 2007; Park et al , 2013c, d) and a brown algae reservoir (Park et al , 2013a, b; Yoon & Park, 2013). In this study, we report on the characterization of a novel psychrophilic bacterium of the genus Algibacter isolated from Russian Sakhalin Island.…”

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confidence: 99%

See 2 more Smart Citations

Algibacter amylolyticus sp. nov., isolated from intertidal sediment

Zhang

Neuner

et al. 2015

International Journal of Systematic and Evolutionary Microbiology

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A lgibacter

Nedashkovskaya¹,

Kim²

2019

Bergey's Manual of Systematics of Archaea and Bacteria

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Al.gi.bac'ter . L. fem. n. alga seaweed; N.L. masc. n. bacter rod; N.L. masc. n. Algibacter rod isolated from seaweed. Bacteroidetes / Flavobacteriia / Flavobacteriales / Flavobacteriaceae / Algibacter The genus Algibacter, a member of the family Flavobacteriaceae , was proposed by Nedashkovskaya et al. in 2004 to accommodate Gram‐negative, facultatively anaerobic, gliding, and oxidase‐positive bacteria. The close phylogenetic relatives of the genus Algibacter are members of the family Flavobacteriaceae such as Arenitalea, Changchengzhania, Flaviramulus, Gaetbulibacter, Litoribaculum, Mariniflexile, Postechiella, Sabulilitoribacter , and Tamlana with sequence similarity ranges 94.9–97.1, 93.7–96.0, 93.3–96.4, 93.1–96.9, 92.3–96.1, 92–95.5, 93.9–95.6, 94.2–96.6, and 92.1–96.8%, respectively. On marine agar, colonies of the majority Algibacter species are regular, round, low convex, shiny, and yellow or orange pigmented. Growth occurs with 0–8% NaCl, at pH 5.0–11.0, and at 0–55°C. The optimal growth is observed at 15–28°C, at pH 7.0–8.0, and with 0.5–3% NaCl. Algibacter strains cannot hydrolyze chitin and urea. The predominant cellular fatty acids of the known members of the genus Algibacter are iso‐C 15:0 (4.7–34.4%), iso‐C 15:1 G (5.0–22.8%), iso‐C 15:0 3‐OH (4.5–16.7%), and iso‐C 17:0 3‐OH (3.1–16.9%). The major respiratory quinone is MK‐6. The main polar lipid is phosphatidylethanolamine. At the time of writing, the genus Algibacter comprised 14 validly described species that were isolated from the different marine environments including seawater, sediments, seaweeds, and echinoderms. The type species of the genus is Algibacter lectus . The Algibacter species share 16S rRNA gene sequence similarities ranging from 94.2 to 99.4% to one another. The DNA–DNA relatedness between the type strains of the Algibacter species is 15–34%. DNA G + C content (mol%) : 30–41 ( T m, HPLC and genome sequence). Type species : Algibacter lectus Nedashkovskaya, Kim, Han, Rhee, Lysenko, Rohde, Zhukova, Frolova, Mikhailov and Bae 2004, 1260 VP .

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Algibacter agarivorans sp. nov. and Algibacter agarilyticus sp. nov., isolated from seawater, reclassification of Marinivirga aestuarii as Algibacter aestuarii comb. nov. and emended description of the genus Algibacter

Cited by 31 publications

References 23 publications

Isolation and Complete Genome Sequence of Algibacter alginolytica sp. nov., a Novel Seaweed-Degrading Bacteroidetes Bacterium with Diverse Putative Polysaccharide Utilization Loci

Isolation and Complete Genome Sequence of Algibacter alginolytica sp. nov., a Novel Seaweed-Degrading Bacteroidetes Bacterium with Diverse Putative Polysaccharide Utilization Loci

Algibacter amylolyticus sp. nov., isolated from intertidal sediment

A lgibacter

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