Yohan Louis results 17
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Early experimental comparison of natural and assisted symbiont acquisition in Stylophora pistillataNARA Subscribed
Acquisition of Symbiodiniaceae following a bleaching event is essential for coral recovery, yet most experimental approaches rely on cultured symbionts, which require specialized infrastructure and may exhibit laboratory-induced physiological alterations. Natural acquisition (NA), in which bleached corals acquire symbionts directly from healthy donors, represents a potentially relevant but understudied alternative. Here, we ex...
Chronological age is a common and non-modifiable factor for chronic disease, but does not fully explain age-related changes. Biological clocks have been developed to explore biological aging mechanisms. They could help identify protective factors against accelerated aging and associated diseases. We aim to assess the association between reduced epigenetic or inflammatory aging and ideal cardiovascular health or cardiovascular...
Effects of light limitation on the photophysiology of the coral Pachyseris speciosa from Singapore's turbid reefsNARA Subscribed
Light limitation caused by increased sedimentation and turbidity, mainly due to intense human activities, poses a particularly pronounced threat to coral reefs located near urban areas, such as those in Singapore. In this study, we investigated the photophysiological and bleaching responses of Pachyseris speciosa , a common reef building coral species found in Singapore’s turbid reefs, under low-light conditions over a four-we...
HealthAge: evaluation of intrinsic capacity changes in humans, mice, and killifish to explore the biology of agingNARA Subscribed
HealthAge was devised by a conglomerate of research groups in Toulouse, France, with the combined goal of narrowing the lifespan-healthspan gap through novel translational bench-to-bedside research studies. HealthAge comprises the “INStitute for Prevention” “healthy aging” and “medicine Rejuvenative” (INSPIRE) human translational, outbred SWISS mice and African turquoise killifish (GRZ strain) cohorts in which aging is studied...
Appetite loss is a common clinical condition in older adulthood, but how this condition associates with biological aging remains unknown. The present study aims to examine the associations of biological aging markers with appetite loss in community-dwelling people aged 21 to 102 years. This retrospective case–control study used baseline data from the INSPIRE-T cohort in Toulouse, France. Each of the 49 cases with appetite loss...
Mangrove forests are one of the most important biological, ecological and economic ecosystems in the world. In the Maldives, they play a crucial role in maintaining coastal biodiversity, providing ecosystem services, such as coastal protection, and supporting livelihoods by providing income and food. Overall, 23 Maldivian islands have at least 1 protected mangrove area. However, knowledge of the mangroves of the Maldives is sc...
Corals show spatial acclimatisation to local environment conditions. However, the various cellular mechanisms involved in local acclimatisation and variable bleaching patterns in corals remain to be thoroughly understood. In this study, the modulation of a protein implicated in cellular heat stress tolerance, the heat shock protein 70, was compared at both gene ( hsp70 ) and protein (Hsp70) expression level in bleaching tolera...
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