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(Cyanobacteria) chemical fingerprint reveals local molecular adaptation.
Microbiol Spectr
January 2025
UMR7245 MCAM MNHN-CNRS, Muséum National d'Histoire Naturelle, Paris, France.
Unlabelled: can colonize a wide variety of environments (e.g., freshwater, brackish, alkaline, or alkaline-saline water) and develop dominant and even permanent blooms that overshadow and limit the diversity of adjacent phototrophs, especially in alkaline and saline environments.
View Article and Find Full Text PDFCelebrating Diversity: Unveiling the Characteristics of Nail Psoriasis and Nail Lichen Planus in 30 Patients With Skin of Color.
Dermatol Pract Concept
October 2024
Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico S. Orsola-Malpighi, Bologna, Italy.
Introduction: Dermatological conditions affecting the nails can manifest differently in individuals with distinct skin tones. This often leads to difficulty in the recognition of nail diseases, especially in people with skin of color (SoC), who are not well represented in the literature.
Objectives: Our aim was to provide dermatologists with useful clues for prompt recognition and diagnosis of nail psoriasis (NPso) and nail lichen planus (NLP) in people with SoC.
Use of congenital hypertrophy of the retinal pigment epithelium as a clinical sign of familial adenomatous polyposis.
Arq Bras Oftalmol
November 2024
Hospital Universitário Clemente de Faria, Universidade Estadual de Montes Claros, Montes Claros, MG, Brazil.
Purpose: To evaluate the presence of congenital hypertrophy of the retinal pigment epithelium in a large family affected by familial adenomatous polyposis and identify the causative mutation in the adenomatous polyposis coli gene. Thus, we aimed to determine the significance of congenital hypertrophy of the retinal pigment epithelium as a phenotypic marker of the disease.
Methods: A family consisting of 95 individuals was evaluated.
Vaginal Mucosal Melanoma Cell Activation in Response to Photon or Carbon Ion Irradiation.
Int J Part Ther
December 2024
Radiobiology Unit, CNAO National Center for Oncological Hadrontherapy, Pavia, Italy.
Purpose: Primary gynecological melanomas are uncommon with lower survival rates compared to cutaneous melanomas. Although melanocytes have been identified in a variety of mucosal membranes, little is known about their interactions or roles inside the mucosa layer. Melanin is a common pigment in nature and is endowed with several peculiar chemical, paramagnetic, and semiconductive characteristics.
View Article and Find Full Text PDFHidden in red: evidence for and against red camouflage in a jumping spider (Saitis barbipes).
Naturwissenschaften
October 2024
Institute of Cell and Systems Biology of Animals, University of Hamburg, Martin-Luther-King Platz 3, 20146, Hamburg, Germany.
Investigating the conspicuousness of animal color patterns to different observers is crucial for understanding their function. This study examines the peculiar case of a jumping spider (Saitis barbipes) whose males display red and black ornaments during courtship despite an apparent inability to distinguish these colors. We propose that, through predator eyes, red may actually be a better match than black to the spiders' leaf litter background, and that the black fringe of hairs surrounding red ornaments may blur with red at natural predator acuities and viewing distances to produce a background-matching desaturated red.
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