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Statoliths function in gravity perception in plants: yes, no, yes!
Planta
January 2025
Department of Biomedical Engineering and Science, Florida Institute of Technology, Melbourne, FL, 32901, USA.
The starch-statolith theory was established science for a century when the existence of gravitropic, starchless mutants questioned its premise. However, detailed kinetic studies support a statolith-based mechanism for graviperception. Gravitropism is the directed growth of plants in response to gravity, and the starch-statolith hypothesis has had a consensus among scientists as the accepted model for gravity perception.
View Article and Find Full Text PDF[Allelopathy: chemical communication between plants].
Biol Aujourdhui
January 2025
Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin for Plant Sciences (IJPB), 78000 Versailles, France.
Today, weed control in agricultural systems is largely based on the use of synthetic pesticides. However, the use of these compounds is increasingly controversial among farmers and consumers, who point to their harmful properties for human health and the environment. In this context, the development of eco-friendly agricultural approaches and practices is becoming essential, and allelopathy represents a promising solution.
View Article and Find Full Text PDFBreast Arterial Calcification on a Screening Mammogram: A Potential Cardiovascular Risk Stratification Tool in Women.
Rev Cardiovasc Med
January 2025
Department of Radiology, Women Imaging, King Faisal Specialist Hospital & Research Center, 11211 Riyadh, Saudi Arabia.
Breast arterial calcification (BAC) is a common benign finding on a screening mammogram. Additionally, BAC is a type of medial calcification known as Mönckeberg medial calcific sclerosis, which differs from the intimal calcification seen in patients with coronary artery disease (CAD). Recently, BAC has appeared as a new cardiovascular risk stratification method.
View Article and Find Full Text PDFMolecular HIV Surveillance: Beyond Cluster Detection and Response.
AIDS Res Hum Retroviruses
January 2025
Division of Infectious Diseases & Global Public Health, University of California San Diego, La Jolla, California, USA.
There has been significant controversy surrounding the use of HIV sequence data to identify outbreaks of HIV transmission since the initiation of molecular HIV surveillance (MHS) in the US. The current approach to MHS is comprehensive cluster detection and response (CDR), in which clusters of related infections are identified and used as the basis for cluster-based or population-based interventions. With CDR, there are ethical and stigma concerns around the impingement of individual privacy, as well as legal concerns around the inference of transmission in regions where HIV criminalization laws and statutes exist.
View Article and Find Full Text PDFThe Current State of Perioperative Chemotherapy in Resectable Colorectal Liver Metastases: A Narrative Review.
J Surg Oncol
January 2025
Department of General Surgery N1, Bogomolets National Medical University, Kyiv, Ukraine.
Perioperative chemotherapy has emerged as a critical component in managing resectable colorectal liver metastases (CRLM), aiming to improve long-term survival, although data supporting its use remains controversial. This narrative review explores the current state of perioperative chemotherapy in patients with resectable CRLM, focusing on its role in different oncological risk categories. The review highlights ongoing controversies, such as optimal patient selection and the role of post- versus preoperative treatment in specific scenarios.
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