Intrasporangium

Intrasporangium is a genus of Gram positive, nonmotile, endosporeforming bacteria. The genus name refers to the ability to form sporangia intercalary in the mycelial hyphae. [1] The family Intrasporangiaceae is named after the genus, and Intrasporangium is the type genus for the family.[2]

Intrasporangium
Scientific classification
Domain:
Bacteria
Phylum:
Actinobacteria
Class:
Actinomycetales
Order:
Micrococcales
Family:
Intrasporangiaceae
Genus:
Intrasporangium

Kalakoutskii et al 1967
Species

I. calvum
I. chromatireducens
I. mesophilum
I. oryzae

The genus was first proposed in 1967. The type species I. calvum was first isolated from air in a school dining room in the Soviet Union.[1] The genus was monospecific until 2012, when three species were added to the genus. I. chromatireducens and I. mesophilum were proposed as new species, and the monospecific Humihabitans oryzae was reclassified as I. oryzae.[3][4] The novel genus and species Monashia flava was proposed in 2016, but was later found to be a member of Intrasporagium, most likely a strain of I. oryzae. The genus is currently defunct.[5][6]

Although the first isolation of Intrasporangium was from an air sample, subsequent isolations have mainly been from various types of soil. The soil sources include a manganese mine,[3] a former coal gasification site,[7] a uranium-contanimated site,[8] and the rhizospheres of a rice paddy and of Jatropha curcas.[4]

References
  1. Kalakoutskii, L. V.; Kirillova, I. P.; Krassilinokov, N. A. (1 July 1967). "A New Genus of the Actinomycetales--Intrasporangium gen.nov". Journal of General Microbiology. 48 (1): 79–85. doi:10.1099/00221287-48-1-79.
  2. Stackebrandt, E.; Rainey, F. A.; Ward-Rainey, N. L. (1 April 1997). "Proposal for a New Hierarchic Classification System, Actinobacteria classis nov". International Journal of Systematic Bacteriology. 47 (2): 479–491. doi:10.1099/00207713-47-2-479.
  3. Liu, H.; Wang, H.; Wang, G. (25 March 2011). "Intrasporangium chromatireducens sp. nov., a chromate-reducing actinobacterium isolated from manganese mining soil, and emended description of the genus Intrasporangium". International Journal of Systematic and Evolutionary Microbiology. 62 (2): 403–408. doi:10.1099/ijs.0.030528-0.
  4. Yang, L.-L.; Ao, T.; Wang, X.-H.; He, J.; Klenk, H.-P.; Tang, S.-K.; Li, W.-J. (17 June 2011). "Proposal of Intrasporangium mesophilum sp. nov., and reclassification of Humihabitans oryzae Kageyama et al. 2007 as Intrasporangium oryzae comb. nov". International Journal of Systematic and Evolutionary Microbiology. 62 (Pt 5): 1037–1041. doi:10.1099/ijs.0.029934-0.
  5. Azman, Adzzie-Shazleen; Zainal, Nurullhudda; Mutalib, Nurul-Syakima Ab; Yin, Wai-Fong; Chan, Kok-Gan; Lee, Learn-Han (1 February 2016). "Monashia flava gen. nov., sp. nov., an actinobacterium of the family Intrasporangiaceae". International Journal of Systematic and Evolutionary Microbiology. 66 (2): 554–561. doi:10.1099/ijsem.0.000753.
  6. Nouioui, Imen; Carro, Lorena; García-López, Marina; Meier-Kolthoff, Jan P.; Woyke, Tanja; Kyrpides, Nikos C.; Pukall, Rüdiger; Klenk, Hans-Peter; Goodfellow, Michael; Göker, Markus (22 August 2018). "Genome-Based Taxonomic Classification of the Phylum Actinobacteria". Frontiers in Microbiology. 9. doi:10.3389/fmicb.2018.02007.
  7. Glavina Del Rio, Tijana; Chertkov, Olga; Yasawong, Montri; Lucas, Susan; Deshpande, Shweta; Cheng, Jan-Fang; Detter, Chris; Tapia, Roxanne; Han, Cliff; Goodwin, Lynne; Pitluck, Sam; Liolios, Konstantinos; Ivanova, Natalia; Mavromatis, Konstantinos; Pati, Amrita; Chen, Amy; Palaniappan, Krishna; Land, Miriam; Hauser, Loren; Chang, Yun-Juan; Jeffries, Cynthia D.; Rohde, Manfred; Pukall, Rüdiger; Sikorski, Johannes; Göker, Markus; Woyke, Tanja; Bristow, James; Eisen, Jonathan A.; Markowitz, Victor; Hugenholtz, Philip; Kyrpides, Nikos C.; Klenk, Hans-Peter; Lapidus, Alla (2010). "Complete genome sequence of Intrasporangium calvum type strain (7 KIPT)". Standards in Genomic Sciences. 3 (3): 294–303. doi:10.4056/sigs.1263355.
  8. Brodie, E. L.; DeSantis, T. Z.; Joyner, D. C.; Baek, S. M.; Larsen, J. T.; Andersen, G. L.; Hazen, T. C.; Richardson, P. M.; Herman, D. J.; Tokunaga, T. K.; Wan, J. M.; Firestone, M. K. (6 September 2006). "Application of a High-Density Oligonucleotide Microarray Approach To Study Bacterial Population Dynamics during Uranium Reduction and Reoxidation". Applied and Environmental Microbiology. 72 (9): 6288–6298. doi:10.1128/AEM.00246-06.
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