Mixed Communities: Multigenerational Development

2020 ◽  
pp. 46-81
Author(s):  
Caroline Dove
Keyword(s):  
Mixed Communities

Archaeal biofilms: widespread and complex

2013 ◽  
Vol 41 (1) ◽  
pp. 393-398 ◽  
Author(s):  
Sabrina Fröls
Keyword(s):  
Biofilm Formation ◽  
Extracellular Polymeric Substances ◽  
Bacterial Species ◽  
Surface Adhesion ◽  
Form Complex ◽  
Abiotic Surfaces ◽  
Archaeal Species ◽  
Physical And Chemical ◽  
Insight Into ◽  
Mixed Communities

Biofilms or multicellular structures become accepted as the dominant microbial lifestyle in Nature, but in the past they were only studied extensively in bacteria. Investigations on archaeal monospecies cultures have shown that many archaeal species are able to adhere on biotic and abiotic surfaces and form complex biofilm structures. Biofilm-forming archaea were identified in a broad range of extreme and moderate environments. Natural biofilms observed are mostly mixed communities composed of archaeal and bacterial species of various abundances. The physiological functions of the archaea identified in such mixed communities suggest a significant impact on the biochemical cycles maintaining the flow and recycling of the nutrients on earth. Therefore it is of high interest to investigate the characteristics and mechanisms underlying the archaeal biofilm formation. In the present review, I summarize and discuss the present investigations of biofilm-forming archaeal species, i.e. their diverse biofilm architectures in monospecies or mixed communities, the identified EPSs (extracellular polymeric substances), archaeal structures mediating surface adhesion or cell–cell connections, and the response to physical and chemical stressors implying that archaeal biofilm formation is an adaptive reaction to changing environmental conditions. A first insight into the molecular differentiation of cells within archaeal biofilms is given.

scholarly journals Policies for Mixed Communities

2009 ◽  
Vol 32 (3) ◽  
pp. 343-375 ◽  
Author(s):  
Paul Cheshire
Keyword(s):  
Mixed Communities

Living with difference in rural Indonesia: What can be learned for national and regional political agendas?

2010 ◽  
Vol 41 (3) ◽  
pp. 449-481 ◽  
Author(s):  
Michelle Carnegie
Keyword(s):  
Conflict Management ◽  
Interpersonal Relations ◽  
Violent Conflict ◽  
Customary Law ◽  
New Order ◽  
Indonesian Archipelago ◽  
Social Mixing ◽  
Communal Relations ◽  
Mixed Communities

Much research has sought to understand why mixed communities in Indonesia have been torn apart by violent conflict. By contrast, little is known about how people live together successfully in the mixed, low-conflict communities that exist in abundance throughout the Indonesian archipelago. This paper explores the inter-communal relations in the multiethnic, Christian-Muslim coastal village of Oelua in Roti, Nusa Tenggara Timur province. Mechanisms of agreement across ethnic, religious and livelihood differences have shaped and reproduced a low-conflict community — including transfers of land, labour, technology and surplus; use of customary law and conflict management; and social mixing and interpersonal relations. The findings suggest that there are lessons to be learned from communities like Oelua about how to foster social and economic inclusion, which could inform national and regional political agendas concerned with governing difference in a post-New Order Indonesia.

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