Physiological responses, such as phototropism and carotenogenesis, are usually exhibited through a specific cascade composed of several gene functions. The number of such gene functions can be determined by means of complementation analysis. For this purpose, a procedure is needed to produce heterokaryons easily and with a high success rate. Here, we present a method of grafting sporangiophores from different mutants to obtain heterokaryotic regenerates at the graft union, based on the large size of the sporangiophore and its remarkable regeneration capability.
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http://dx.doi.org/10.1007/978-1-4939-9015-3_16 | DOI Listing |
Int J Biol Markers
January 2025
Department of Respiratory and Critical Care Medicine, Anyue County People's Hospital, Anyue, China.
Purpose: To detect the prognostic importance of liquid-liquid phase separation (LLPS) in lung adenocarcinoma.
Methods: The gene expression files, copy number variation data, and clinical data were downloaded from The Cancer Genome Atlas cohort. LLPS-related genes were acquired from the DrLLPS website.
Ann Neurol
January 2025
Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA.
Objective: Approximately 20% of familial cases of amyotrophic lateral sclerosis (ALS) are caused by mutations in the gene encoding superoxide dismutase 1 (SOD1). Epidemiological data have identified traumatic brain injury (TBI) as an exogenous risk factor for ALS; however, the mechanisms by which TBI may worsen SOD1 ALS remain largely undefined.
Methods: We sought to determine whether repetitive TBI (rTBI) accelerates disease onset and progression in the transgenic SOD1 mouse ALS model, and whether loss of the primary regulator of axonal degeneration sterile alpha and TIR motif containing 1 (Sarm1) mitigates the histological and behavioral pathophysiology.
Yi Chuan
January 2025
State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430078, China.
It has been more than 40 years since the beginning of exploring the genetic composition of ancient organisms from the perspective of ancient DNA. In the recent 20 years, with the development and application of high-throughput sequencing technology platforms and the improved efficiency of retrieving highly fragmented DNA molecules, ancient DNA research moved forward to a brand-new era of deep-time paleogenomics. It not only solved many controversial phylogenetic problems, enriched the migration and evolution details of various organisms including humans, but also launched exploration of the molecular responses to climate changes in terms of "whole genomic-big data-multi-species" level.
View Article and Find Full Text PDFYi Chuan
January 2025
Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China.
Over the past decade, the continuous development of ancient genomic technology and research has significantly advanced our understanding of human history. Since 2017, large-scale studies of ancient human genomes in East Asia, particularly in China, have emerged, resulting in a wealth of ancient genomic data from various time periods and locations, which has provided new insights into the genetic history of East Asian populations over tens of thousands of years. Especially since 2022, there emerged a series of new research progresses in the genetic histories of the northern and southern Chinese populations within the past 10,000 years.
View Article and Find Full Text PDFCurr Protoc
January 2025
Cancer Prevention and Control Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania.
Mesothelioma is a lethal cancer of the serosal lining of the body cavities. Risk factors include environmental and genetic factors. Asbestos exposure is considered the principal environmental risk factor, but other carcinogenic mineral fibers, such as erionite, also have a causal role.
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