An actomyosin-like cytoskeleton in the cyanobiont (Nosctoc sp.) of Peltigera canina

Díaz, Eva María; Ampè, Christophe; Troys, Marleen Van; Vicente‐Manzanares, Miguel; Legaz, Marı́a-Estrella; Vicente, Carlos

doi:10.1016/j.phytol.2016.05.005

Cited by 3 publications

(2 citation statements)

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“…The lectin recognition and signalling mechanism summarised for chlorolichens in Figure 2 can be true of all or some cyanolichens (Sacristán et al, 2007;Vivas et al, 2010;Díaz et al, 2016a). Diaz et al (2015), Diaz et al (2016b) showed that actin-and myosin-like proteins produced by the cyanobacterial photobiont Nostoc of the lichen Peltigera canina is involved in the chemotactic movement of photobiont cells towards the lectin of the mycobiont. The process also involves a contractile protein and ATPase of photobiont, which creates a series of contraction-relaxation steps that result in photobiont # Ribitol in these pre-contact experiments (mycobiont and photobiont separated by a membrane) was added in concentrations of 0.05, 0.8, and 2.0%w/v to the culture media (water agar and malt yeast agar).…”

Section: Cyanolichens (Tablementioning

confidence: 99%

Towards a Systems Biology Approach to Understanding the Lichen Symbiosis: Opportunities and Challenges of Implementing Network Modelling

et al. 2021

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Lichen associations, a classic model for successful and sustainable interactions between micro-organisms, have been studied for many years. However, there are significant gaps in our understanding about how the lichen symbiosis operates at the molecular level. This review addresses opportunities for expanding current knowledge on signalling and metabolic interplays in the lichen symbiosis using the tools and approaches of systems biology, particularly network modelling. The largely unexplored nature of symbiont recognition and metabolic interdependency in lichens could benefit from applying a holistic approach to understand underlying molecular mechanisms and processes. Together with ‘omics’ approaches, the application of signalling and metabolic network modelling could provide predictive means to gain insights into lichen signalling and metabolic pathways. First, we review the major signalling and recognition modalities in the lichen symbioses studied to date, and then describe how modelling signalling networks could enhance our understanding of symbiont recognition, particularly leveraging omics techniques. Next, we highlight the current state of knowledge on lichen metabolism. We also discuss metabolic network modelling as a tool to simulate flux distribution in lichen metabolic pathways and to analyse the co-dependence between symbionts. This is especially important given the growing number of lichen genomes now available and improved computational tools for reconstructing such models. We highlight the benefits and possible bottlenecks for implementing different types of network models as applied to the study of lichens.

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Section: Cyanolichens (Tablementioning

confidence: 99%

Towards a Systems Biology Approach to Understanding the Lichen Symbiosis: Opportunities and Challenges of Implementing Network Modelling

et al. 2021

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“…The first theme is how concepts of paradise are mobilized to animate processes of neocolonization, which are evident, for example, in the appropriation of Indigenous knowledge, in Pacific tourism, and in Western popular culture. Vicente Diaz labeled Moana as another instance of the long history of Western "Polyface" that serves to "whitewash colonialism and normalize its attendant violence and devastation of land, sea and tradition" (Diaz 2016). He strongly argued that whitewashing is done via the trope of paradise (and Polynesian paradise in particular), a fictive construct created from European "fantasies and desires."…”

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confidence: 99%