Ecologie microbienne et réhabilitation des terres marginales

International audienc

Buprestis splendens (Fabricius, 1774) (Coleoptera Buprestidae) on the Calabrian side of the "Parco Nazionale del Pollino" (Calabria, Italy): distribution and ecological observation

Buprestis splendens (Fabricius, 1774) (Coleoptera Buprestidae) is a rare European chorotype species, threatened throughout its distribution by global climate change, forest fires and the capture of specimens by collectors. To date, in Italy, its presence was only known in a few areas on the Lucanian side of the massif of Pollino. This report records the first, reliable sightings of its presence on the Calabrian side of the Pollino and in the mountains of Orsomarso. It also makes observations on its environment and the factors that put its survival at risk

Saproxylic beetles of conservation interest in the Calabrian side of the Pollino National Park (Calabria, Italia): Lucanus tetraodon Thunberg, 1806, Osmoderma italicum Sparacio, 2000, Cerambyx cerdo Linnaeus, 1758 and Rosalia alpina (Linnaeus, 1758) (Coleoptera Lucanidae Cetoniidae Cerambycidae)

In this article an update on the distribution of Coleoptera Lucanus tetraodon Thunberg, 1806 (Lucanidae), Osmoderma italicum Sparacio, 2000 (Cetoniidae), Cerambyx cerdo Linnaeus, 1758 and Rosalia alpina (Linnaeus, 1758) (Cerambycidae) in the Calabrian side of the Pollino National Park is described. Data regarding the ecological part and the conservation status will be presented for each species. Therefore, of particular interest it can be noted: the presence in nine locations of L. tetraodon, an uncommon species and with little-known distribution; the discreet diffusion of O. italicum, rare and with a very restricted area, found in thirteen locations up to over 1800 m of altitude; C. cerdo for the Calabrian side of the National Park of Pollino; the first data for the presence of R. alpina at 1900 m altitude, the highest recorded in Italy and the discovery of larval stages on Italian alder (Alnus cordata), never ascertained in Italy. The Pollino National Park is confirmed as one of the areas of greatest national importance for the conservation of these xylophagous species linked to old forests

Delivery in pregnant women infected with SARS-CoV-2: A fast review

Background: Few case reports and clinical series exist on pregnant women infected with SARS-CoV-2 who delivered. Objective: To review the available information on mode of delivery, vertical/peripartum transmission, and neonatal outcome in pregnant women infected with SARS-CoV-2. Search strategy: Combination of the following key words: COVID-19, SARS-CoV-2, and pregnancy in Embase and PubMed databases. Selection criteria: Papers reporting cases of women infected with SARS-CoV-2 who delivered. Data collection and analysis: The following was extracted: author; country; number of women; study design; gestational age at delivery; selected clinical maternal data; mode of delivery; selected neonatal outcomes. Main results: In the 13 studies included, vaginal delivery was reported in 6 cases (9.4%; 95% CI, 3.5\u201319.3). Indication for cesarean delivery was worsening of maternal conditions in 31 cases (48.4%; 95% CI, 35.8\u201361.3). Two newborns testing positive for SARS-CoV-2 by real-time RT-PCR assay were reported. In three neonates, SARS-CoV-2 IgG and IgM levels were elevated but the RT-PCR test was negative. Conclusions: The rate of vertical or peripartum transmission of SARS-CoV-2 is low, if any, for cesarean delivery; no data are available for vaginal delivery. Low frequency of spontaneous preterm birth and general favorable immediate neonatal outcome are reassuring

Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report Volume 2: The Physics Program for DUNE at LBNF

The Physics Program for the Deep Underground Neutrino Experiment (DUNE) at the Fermilab Long-Baseline Neutrino Facility (LBNF) is described

The role of the electrocardiographic phenotype in risk stratification for sudden cardiac death in childhood hypertrophic cardiomyopathy.

AIMS: The 12-lead electrocardiogram (ECG) is routinely performed in children with hypertrophic cardiomyopathy (HCM). An ECG risk score has been suggested as a useful tool for risk stratification, but this has not been independently validated. This aim of this study was to describe the ECG phenotype of childhood HCM in a large, international, multi-centre cohort and investigate its role in risk prediction for arrhythmic events. METHODS AND RESULTS: Data from 356 childhood HCM patients with a mean age of 10.1 years (±4.5) were collected from a retrospective, multi-centre international cohort. Three hundred and forty-seven (97.5%) patients had ECG abnormalities at baseline, most commonly repolarization abnormalities (n = 277, 77.8%); left ventricular hypertrophy (n = 240, 67.7%); abnormal QRS axis (n = 126, 35.4%); or QT prolongation (n = 131, 36.8%). Over a median follow-up of 3.9 years (interquartile range 2.0-7.7), 25 (7%) had an arrhythmic event, with an overall annual event rate of 1.38 (95% CI 0.93-2.04). No ECG variables were associated with 5-year arrhythmic event on univariable or multivariable analysis. The ECG risk score threshold of >5 had modest discriminatory ability [C-index 0.60 (95% CI 0.484-0.715)], with corresponding negative and positive predictive values of 96.7% and 6.7. CONCLUSION: In a large, international, multi-centre cohort of childhood HCM, ECG abnormalities were common and varied. No ECG characteristic, either in isolation or combined in the previously described ECG risk score, was associated with 5-year sudden cardiac death risk. This suggests that the role of baseline ECG phenotype in improving risk stratification in childhood HCM is limited