TY - JOUR
T1 - Interactions between Bdellovibrio and like organisms and bacteria in biofilms
T2 - beyond predator–prey dynamics
AU - Mookherjee, Abhirup
AU - Jurkevitch, Edouard
N1 - Publisher Copyright:
© 2021 Society for Applied Microbiology and John Wiley & Sons Ltd.
PY - 2022/3
Y1 - 2022/3
N2 - Bdellovibrio and like organisms (BALOs) prey on Gram-negative bacteria in the planktonic phase as well as in biofilms, with the ability to reduce prey populations by orders of magnitude. During the last few years, evidence has mounted for a significant ecological role for BALOs, with important implications for our understanding of microbial community dynamics as well as for applications against pathogens, including drug-resistant pathogens, in medicine, agriculture and aquaculture, and in industrial settings for various uses. However, our understanding of biofilm predation by BALOs is still very fragmentary, including gaps in their effect on biofilm structure, on prey resistance, and on evolutionary outcomes of both predators and prey. Furthermore, their impact on biofilms has been shown to reach beyond predation, as they are reported to reduce biofilm structures of non-prey cells (including Gram-positive bacteria). Here, we review the available literature on BALOs in biofilms, extending known aspects to potential mechanisms employed by the predators to grow in biofilms. Within that context, we discuss the potential ecological significance and potential future utilization of the predatory and enzymatic possibilities offered by BALOs in medical, agricultural and environmental applications.
AB - Bdellovibrio and like organisms (BALOs) prey on Gram-negative bacteria in the planktonic phase as well as in biofilms, with the ability to reduce prey populations by orders of magnitude. During the last few years, evidence has mounted for a significant ecological role for BALOs, with important implications for our understanding of microbial community dynamics as well as for applications against pathogens, including drug-resistant pathogens, in medicine, agriculture and aquaculture, and in industrial settings for various uses. However, our understanding of biofilm predation by BALOs is still very fragmentary, including gaps in their effect on biofilm structure, on prey resistance, and on evolutionary outcomes of both predators and prey. Furthermore, their impact on biofilms has been shown to reach beyond predation, as they are reported to reduce biofilm structures of non-prey cells (including Gram-positive bacteria). Here, we review the available literature on BALOs in biofilms, extending known aspects to potential mechanisms employed by the predators to grow in biofilms. Within that context, we discuss the potential ecological significance and potential future utilization of the predatory and enzymatic possibilities offered by BALOs in medical, agricultural and environmental applications.
KW - Agriculture
KW - Aquaculture
KW - Bdellovibrio
KW - Bdellovibrio bacteriovorus/genetics
KW - Biofilms
KW - Gram-Negative Bacteria
UR - http://www.scopus.com/inward/record.url?scp=85119673594&partnerID=8YFLogxK
U2 - 10.1111/1462-2920.15844
DO - 10.1111/1462-2920.15844
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C2 - 34816563
AN - SCOPUS:85119673594
SN - 1462-2912
VL - 24
SP - 998
EP - 1011
JO - Environmental Microbiology
JF - Environmental Microbiology
IS - 3
ER -