Lactobacillus paraplantarum THG-G10 as a potential anti-acne agent with anti-bacterial and anti-inflammatory activities.

Cutibacterium acnes (formerly Propionibacterium acnes) is the main bacterium targeted for the prevention and medical treatment of acne vulgaris. Lactic acid bacteria (LAB) are a group of microorganisms classified by their ability to produce lactic acid through fermentation. Although the activities of LAB have been studied, their potential anti-acne effects are not well known.

Cellulomonas aurantiaca sp. nov., isolated from a soil sample from a tangerine field.

A Gram-stain positive, facultatively aerobic, motile and rod-shaped bacterial strain, designated THG-SMD2.3, was isolated from a soil sample collected in a tangerine field, Republic of Korea. According to the 16S rRNA gene sequence comparisons, the isolate was identified as a member of the genus Cellulomonas and to be closely related to Cellulomonas fimi ATCC 484 (98.

Chitinophaga aurantiaca sp. nov., isolated from a soil sample from a tangerine field.

A Gram-stain-negative, facultatively anaerobic, non-motile and rod-shaped bacterial strain, designated THG-SD5.5, was isolated from a soil sample collected in a tangerine field, Republic of Korea. According to the 16S rRNA gene sequence comparisons, the isolate was identified as a member of the genus Chitinophaga and to be closely related to Chitinophaga ginsengihumi KACC 17604 (97.

Scopulibacillus cellulosilyticus sp. nov., a cellulose-degrading bacterium isolated from tea.

A Gram-stain positive, aerobic, non-motile, endospore-forming and rod-shaped strain (THG-NT9) was isolated from a green tea sample. Growth occurred at 20-45 °C (optimum 28-35 °C), at pH 6.0-8.

Nocardioides pelophilus sp. nov., isolated from freshwater mud.

A Gram-stain-positive, aerobic, motile, rod- or cocci-shaped bacterium with flagella bacterium (THG-T63) was isolated from freshwater mud. Growth occurred at 10-40 °C (optimum, 28-35 °C), at pH 6-8 (optimum, 7) and at 0-6 % NaCl (optimum, 2 %). Based on 16S rRNA sequence analysis, the nearest phylogenetic neighbours of strain THG-T63 were identified as Nocardioides panacisoli KCTC 19470 (97.

Nibribacter flagellatus sp. nov., isolated from rhizosphere of Hibiscus syriacus and emended description of the genus Nibribacter.

A Gram-stain negative, aerobic, motile by flagella, rod-shaped strain (THG-T16) was isolated from rhizosphere of Hibiscus syriacus. Growth occurred at 10-40 °C (optimum 28-30 °C), at pH 6.0-8.

Actinotalea solisilvae sp. nov., isolated from forest soil and emended description of the genus Actinotalea.

A Gram-stain-positive, aerobic, non-motile and short-rod-shaped actinobacterium, designated THG-T121, was isolated from forest soil. Growth occurred at 10-40 °C (optimum 28-30 °C), at pH 6-8 (optimum 7) and at 0-4 % NaCl (optimum 1 %). Based on 16S rRNA gene sequence analysis, the nearest phylogenetic neighbours of strain THG-T121 were identified as Actinotalea ferrariae KCTC 29134 (97.

Sphingomonas rhizophila sp. nov., isolated from rhizosphere of Hibiscus syriacus.

A Gram-stain-negative, aerobic, non-motile, rod-shaped, catalase-positive and oxidase-positive bacteria (THG-T61), was isolated from rhizosphere of Hibiscus syriacus. Growth occurred at 10-37 °C (optimum 25-30 °C), at pH 5.0-9.

Deinococcus hibisci sp. nov., isolated from rhizosphere of Hibiscus syriacus L. (mugunghwa flower).

A Gram-stain-positive, pink-pigmented, coccus-shaped, strictly aerobic, non-motile bacterium, strain THG-AG1.5, was isolated from rhizosphere of Hibiscus syriacus L. (Mugunghwa flower) located in Kyung Hee University, Yongin, Gyeonggi, Republic of Korea.

Flavobacterium limi sp. nov., isolated from forest mud.

A Gram-stain-negative, aerobic, non-motile, yellow and rod-shaped bacterial strain was isolated from forest mud located at Kyung Hee University, South Korea. Strain THG-AG6.4 grew at 10-35 °C, pH 6.

Chryseomicrobium deserti sp. nov., isolated from desert soil in South Korea.

A Gram-stain positive, aerobic, non-motile, rod-shaped bacterium (THG-T1.18) was isolated from desert soil. Growth occurred at 20-35 °C (optimum 28-30 °C), at pH 5-7 (optimum 7) and at 0-4 % NaCl (optimum 0-1 %).

Altererythrobacter deserti sp. nov., isolated from desert soil.

A Gram-stain-negative, aerobic, short rod-shaped, non-motile bacterium (THG-S3), was isolated from desert soil. Growth occurred at 15-35 °C (optimum 28 °C), at pH 5-10 (optimum 7) and at 0-4 % NaCl (optimum 1 %). Based on 16S rRNA gene sequence analysis, the nearest phylogenetic neighbours of strain THG-S3 were identified as Altererythrobacter rigui KCTC 42620 (99.

Ramlibacter rhizophilus sp. nov., isolated from rhizosphere soil of national flower Mugunghwa from South Korea.

A Gram-negative, aerobic, non-motile, long rods or coccoid without flagellum strain, designated THG-YS3.2.7, was isolated from therhizosphere soil of a Mugunghwa flower collected from Kyung Hee University, Yongin, South Korea.

Microbacterium hibisci sp. nov., isolated from rhizosphere of mugunghwa (Hibiscus syriacus L.).

A Gram-stain-positive, aerobic, non-motile, short-rod shaped actinobacterium, designated THG-T2.14T, was isolated from soil sampled from the rhizosphere of mugunghwa. Growth occurred at 10-40 °C (optimum 30 °C), at pH 5.

Caulobacter hibisci sp. nov., isolated from rhizosphere of Hibiscus syriacus L. (Mugunghwa flower).

A Gram-stain-negative, smooth, bright yellow-pigmented, aerobic, catalase- and oxidase-positive and rod-shaped bacterial strain was isolated from rhizosphere of Hibiscus syriacus L. (Mugunghwa flower) located in Kyung Hee University, Yongin, Gyeonggi, South Korea. Cells were dimorphic, non-motile or non-stalked, and motile by means of peritrichous flagellum.

Roseomonas hibiscisoli sp. nov., isolated from the rhizosphere of Mugunghwa (Hibiscus syriacus).

A Gram-stain-negative, aerobic, non-motile and coccoid to short-rod-shaped bacterial strain (THG-N2.22T) was isolated from the rhizosphere of Mugunghwa (Hibiscus syriacus). Growth occurred at 20-40 °C (optimum 28 °C), at pH 5-9 (optimum 7) and with 0-4 % (w/v) NaCl (optimum 1 %).

Paracoccus hibiscisoli sp. nov., isolated from the rhizosphere of Mugunghwa (Hibiscus syriacus).

A Gram-reaction-negative, aerobic, non-motile, short-rod-shaped bacterium (THG-T2.31T) was isolated from the rhizosphere of Mugunghwa (Hibiscus syriacus). Growth occurred at 10-35 °C (optimum 28 °C), at pH 5.

Emticicia aquatilis sp. nov., isolated from a freshwater sample.

A Gram-stain-negative, facultatively anaerobic, non-motile, rod-shaped and yellow-pigmented bacterium, designated strain THG-DN6.14T, was isolated from a freshwater sample near Donghaksa temple in Daejeon, South Korea. On the basis of the results of 16S rRNA gene sequence comparisons, THG-DN6.

Aquaspirillum soli sp. nov., isolated from a soil sample.

A Gram-stain-negative, smooth, opaque, white-pigmented, helical-shaped, catalase- and oxidase-positive bacterium that was motile by means of bipolar tufts of flagella and grew under microaerophilic conditions, was isolated from a soil sample of a reed pond in Shangqiu, Henan province, PR China. The strain, designated THG-SQE6T, grows well at 25-42 °C, pH 6.5-7.

Flavobacterium hibisci sp. nov., isolated from the rhizosphere of Hibiscus syriacus L.

A Gram-stain-negative, smooth, bright-yellow-pigmented, rod-shaped bacterial strain, slightly motile by gliding, catalase- and oxidase-positive and aerobic, but growing weakly under anaerobic conditions, was isolated from the rhizosphere of the flower mugunghwa (Hibiscus syriacus L.) located in Kyung Hee University, Yongin, Gyeonggi, South Korea. The strain named THG-HG1.

Niabella hibiscisoli sp. nov., isolated from soil of a Rose of Sharon garden.

A Gram-stain-negative, strictly aerobic, non-motile, rod-shaped and yellow-pigmented bacterium, designated strain THG-DN5.5T, was isolated from soil of a Rose of Sharon garden in Daejeon, South Korea. According to 16S rRNA gene sequence comparisons, strain THG-DN5.

Niastellahibisci sp. nov., isolated from rhizosphere soil of mugunghwa, the Korean national flower.

A Gram-stain-negative, aerobic, non-motile, long rods with no flagellum strain, designated THG-YS3.2.1T, was isolated from rhizosphere soil of mugunghwa, collected from Kyung Hee University, Yongin, South Korea.