Pendulispora rubella

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Diagram of microscopic imaging of Pendiluspora rubella colony. Image credit: Garcia, R. et al., (2024).

Classification

Bacteria; Myxococcota; Myxococcia; Myxococcales; Sorangiineae; Pendulisporaceae

Species

NCBI: [1]

Pendiluspora rubella (MSr11367)

Description and Significance

Describe the appearance, habitat, etc. of the organism, and why you think it is important.

P. rubella has a wide range of acid tolerance as it can grow in a pH range of 4-12. This mesophilic organism can thrive in conditions where the temperature range is 18°C-37°C. Unlike other myxobacteria, P. rubella forms a unicellular fruiting body producing powdery round spores neither a sporangial coat nor a slime envelope.

Genome Structure

Describe the size and content of the genome. How many chromosomes? Circular or linear? Other interesting features? What is known about its sequence?

Pendulispora rubella (MSr11367) has a circular genome with 10,733 total genes. Named GCF_037157805.1-RS_2024_10_26 and fully mapped on 10/26/2024 12:40:18.

Cell Structure, Metabolism and Life Cycle

Interesting features of cell structure; how it gains energy; what important molecules it produces.

"Pendulus" meaning 'hanging so as to swing freely or hanging downward' [2] is the prefix for Pendulispora. This is to illustrate the way that P. rubella bears its spores. An advancing swarm colony pattern with flare-like edges, slender rod-shaped vegetative cells, and dormant spores can characterize its growth.

P. rubella MSr11367T produces a family of N-terminally acetylated and C-terminally reduced tetrapeptides with an all l-configured amino acid sequence.

P. rubella releases rounded spores during spore dispersal that appear powdery.

Ecology and Pathogenesis

Habitat; symbiosis; biogeochemical significance; contributions to environment.

If relevant, how does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms.

Pendulispora rubella is a soil-living organism

References

[Sample reference] Takai, K., Sugai, A., Itoh, T., and Horikoshi, K. "Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney". International Journal of Systematic and Evolutionary Microbiology. 2000. Volume 50. p. 489-500.

Garcia, R., Popoff, A., Bader, C.D., Loehr, J., Walesch, S., Walt, C., Boldt, J., Bunk, B., Haeckl, F.J.F.P.J., Gunesch, A.P., Birkelbach, J., Nuebel, U., Pietschmann, T., Bach, T. and Mueller, R. "Discovery of the Pendulisporaceae a myxobacterial family with distinct sporulation behavior and unique specialized metabolism". Unpublished. 2024.

Garcia, R., Popoff, A., Bader, C.D., Lohr, J., Walesch, S., Walt, C., Boldt, J., Bunk, B., Haeckl, F.P.J., Gunesch, A.P., Biekelback. J., Nubel, U., Pietschmann, T., Bach, T., Muller, R. Discovery of the Pendulisporaceae: An extremotolerant myxobacterial family with distinct sporulation behavior and prolific specialized metabolism. "Chem". August 2024. Volume 10. Issue 8. Pages 2518-2537.

[2]

Author

Page authored by Colleen Bolmanski, Dakota Lowery, & Beckham LaBarbera, students of Prof. Bradley Tolar at UNC Wilmington.