MOLECULAR AND MORPHOLOGICAL ANALYSIS SUPPORTS THE TRANSFER OF THE MONOTYPIC INDONESIAN GENUS SEPTOGARCINIA KOSTERM. TO GARCINIA (CLUSIACEAE)

Based on molecular phylogenetic analysis and an assessment of fruit and pollen characters, the transfer of Septogarcinia sumbawaensis Kosterm., endemic to Sumbawa Island, Indonesia and the sole member of the genus Septogarcinia, to Garcinia is strongly supported. The formal transfer of S. sumbawaensis to Garcinia (as G. sumbawaensis; the current name is G. septogarcinia) was based on morphological studies only. Phylogenetic analysis of nuclear internal transcribed spacer (ITS) sequences supports a placement of G. septogarcinia in Garcinia Section Brindonia. The distinctive dehiscent fruit, cited by Kostermans as justification for erecting Septogarcinia, is interpreted as an autapomorphy for this species in Garcinia. Pollen exine ornamentation is similar to G. griffithii, G. gummigutta var. gummi-gutta, G. mestonii, Garcinia sp. (Maluku) and Garcinia sp. (Batulanteh, Sumbawa)

Improving understanding of fish farm organic waste dispersal in higher energy environments

Organic waste from open cage fish farms can negatively impact the benthos if the quantities of settling material exceed the natural assimilative capacity of the seabed. The amounts of total organic material which are allowed to be released are thus regulated in most countries where open-cage fish farming takes place. In Scotland, limits on settling organic waste are one of the main factors determining the maximum fish biomass permitted at a farm site. Computer models of the dispersal of total organic waste to the seabed have become an important tool in both initial site licencing, but also continued site monitoring. Introduction to Executive Summary:The main organic waste dispersal model used in Scotland is DEPOMOD. Originally developed in the late 1990s this model has gone through several upgrades, the latest version being NewDEPOMOD. The original model was developed and calibrated for relatively sheltered, low dispersal sea-loch sites with muddy seabed, where the model’s predictive capability has proven to be generally high. However, many newer fish farms have been developed in more dispersive sites. Despite NewDEPOMOD incorporating a relatively sophisticated waste resuspension sub-model, problems have been encountered with accurately predicting the benthic footprint of fish farm organic waste at these more dispersive sites. The main aim of the INCREASE project was to try and improve our understanding of why these predictive problems are occurring and to suggest future work to address any issues identified

Argos, fouilles de l’Aspis - 2017, 2018

Données scientifiques produites : Argos par l’EFA Les années 2017 et 2018 ont été consacrées, d’une part, à l’écriture du premier volume de la publication finale des fouilles de l’Aspis, qui a été remis au Service des publications de l’EfA à l’été 2020 ; d’autre part, à l’étude de deux ensembles de matériel, qui seront publiés ultérieurement : 1) la céramique mésohelladique issue des fouilles récentes, dont l’étude sera incluse dans le second volume de la publication finale ; 2) le matériel v..

Ancient mitogenomes from Pre-Pottery Neolithic Central Anatolia and the effects of a Late Neolithic bottleneck in sheep (Ovis aries)

Occupied between ~10,300 and 9300 years ago, the Pre-Pottery Neolithic site of Aşıklı Höyük in Central Anatolia went through early phases of sheep domestication. Analysis of 629 mitochondrial genomes from this and numerous sites in Anatolia, southwest Asia, Europe, and Africa produced a phylogenetic tree with excessive coalescences (nodes) around the Neolithic, a potential signature of a domestication bottleneck. This is consistent with archeological evidence of sheep management at Aşıklı Höyük which transitioned from residential stabling to open pasturing over a millennium of site occupation. However, unexpectedly, we detected high genetic diversity throughout Aşıklı Höyük’s occupation rather than a bottleneck. Instead, we detected a tenfold demographic bottleneck later in the Neolithic, which caused the fixation of mitochondrial haplogroup B in southwestern Anatolia. The mitochondrial genetic makeup that emerged was carried from the core region of early Neolithic sheep management into Europe and dominates the matrilineal diversity of both its ancient and the billion-strong modern sheep populations

Ancient mitogenomes from Pre-Pottery Neolithic Central Anatolia and the effects of a Late Neolithic bottleneck in sheep (Ovis aries)

Occupied between ~10,300 and 9300 years ago, the Pre-Pottery Neolithic site of Aşıklı Höyük in Central Anatolia went through early phases of sheep domestication. Analysis of 629 mitochondrial genomes from this and numerous sites in Anatolia, southwest Asia, Europe, and Africa produced a phylogenetic tree with excessive coalescences (nodes) around the Neolithic, a potential signature of a domestication bottleneck. This is consistent with archeological evidence of sheep management at Aşıklı Höyük which transitioned from residential stabling to open pasturing over a millennium of site occupation. However, unexpectedly, we detected high genetic diversity throughout Aşıklı Höyük's occupation rather than a bottleneck. Instead, we detected a tenfold demographic bottleneck later in the Neolithic, which caused the fixation of mitochondrial haplogroup B in southwestern Anatolia. The mitochondrial genetic makeup that emerged was carried from the core region of early Neolithic sheep management into Europe and dominates the matrilineal diversity of both its ancient and the billion-strong modern sheep populations

Genomic epidemiology of SARS-CoV-2 in a UK university identifies dynamics of transmission

AbstractUnderstanding SARS-CoV-2 transmission in higher education settings is important to limit spread between students, and into at-risk populations. In this study, we sequenced 482 SARS-CoV-2 isolates from the University of Cambridge from 5 October to 6 December 2020. We perform a detailed phylogenetic comparison with 972 isolates from the surrounding community, complemented with epidemiological and contact tracing data, to determine transmission dynamics. We observe limited viral introductions into the university; the majority of student cases were linked to a single genetic cluster, likely following social gatherings at a venue outside the university. We identify considerable onward transmission associated with student accommodation and courses; this was effectively contained using local infection control measures and following a national lockdown. Transmission clusters were largely segregated within the university or the community. Our study highlights key determinants of SARS-CoV-2 transmission and effective interventions in a higher education setting that will inform public health policy during pandemics.</jats:p

Argos, fouilles de l’Aspis - 2017, 2018

International audiencecéramique, figurine de terre cuit

Argos, fouilles de l’Aspis - 2017, 2018

International audiencecéramique, figurine de terre cuit