To investigate the roles of protein kinase C (PKC) isoforms in Echinoderms, we cloned starfish cDNAs for novel, atypical, and conventional PKCs. They showed highest homology with PKCdelta, iota, and alpha isoforms respectively. It was predicted from the whole genome sequence and by RT-PCR that sea urchin has only one isoform of each PKC subgroups. It is thus likely that these isoforms are the prototypes or ancestors of the PKC subgroups. The phylogenetic tree suggests that atypical PKC was first formed by evolution from the common prototype of AGC protein kinase family, and novel and conventional PKCs next. RT-PCR analysis indicated that novel and atypical PKC mRNAs are expressed ubiquitously in all tissues of adult starfish, whereas conventional PKC mRNA is expressed mainly in the ovary and oocytes, and only slightly in the tube foot and stomach. Upon heterologous expression, only atypical PKC was expressed in the functional form in insect cells.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1271/bbb.90057 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Polysaccharides from Cynanchum auriculatum Royle ex Wight ameliorate symptoms of hyperglycemia by regulating gut microbiota in type 2 diabetes mellitus mice.
Int J Biol Macromol
January 2025
College of Marine and Bioengineering, Yancheng Institute of Technology, Yancheng 224051, China. Electronic address:
Type 2 diabetes mellitus (T2DM) represents a chronic metabolic disorder characterized by disrupted carbohydrate and lipid balance, resulting in hyperglycemia. This study evaluated the impact of polysaccharides derived from Cynanchum auriculatum Royle ex Wight (CRP) on mitigating hyperglycemia and modulating intestinal microbiota in T2DM mice. Findings indicated that CRP is mainly linked by →6)α-D-Glcp-(1→ and CRP-H demonstrated greater efficacy than CRP-L in regulating hypoglycemic-related indicators such as serum high-density lipoprotein cholesterol (HDL-c) level.
View Article and Find Full Text PDFBaculovirus protein kinase 1 activates AMPK-protein phosphatase 5 axis to hijack transcription factor EB for self-proliferation.
Int J Biol Macromol
January 2025
Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agro-animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Sericulture and Mulberry Engineering Research Center, College of Animal Science, South China Agricultural University, Guangzhou 510642, China. Electronic address:
Baculovirus causes lethal nuclear polyhedrosis in insects, whereas its regulatory mechanism on host transcription has not been fully illustrated. Herein, Bombyx mori nucleopolyhedrovirus (BmNPV) infection caused dephosphorylation and thus cytoplasmic-nucleo translocation of transcription factor EB (BmTFEB) by inhibiting Mechanistic target of rapamycin complex 1 (MTORC1), while upregulating Adenosine monophosphate-activated protein kinase (AMPK) signaling to promote self-proliferation through the rival protein kinase 1 in Bombyx mori. Significantly, B.
View Article and Find Full Text PDFBaricitinib in early polymyalgia rheumatica (BACHELOR): a randomised, double-blind, placebo-controlled, parallel-group trial.
Lancet Rheumatol
January 2025
Department of Rheumatology, Université de Bretagne Occidentale, CHU Brest, INSERM (U1227), LabEx IGO Brest, France.
Background: Moderate doses of glucocorticoids result in improvements in nearly all patients with polymyalgia rheumatica, but related adverse events are common in older individuals. We aimed to evaluate whether treatment with baricitinib (a Janus kinase 1/2 inhibitor) results in disease control without the use of oral glucocorticoids in people with recent-onset polymyalgia rheumatica.
Methods: We conducted a randomised, double-blind, placebo-controlled, parallel-group trial at six expert centres in France.
CDK2 activity crosstalk on the ERK kinase translocation reporter can be resolved computationally.
Cell Syst
January 2025
Department of Biochemistry & BioFrontiers Institute, University of Colorado, Boulder, CO 80303, USA. Electronic address:
The mitogen-activated protein kinase (MAPK) pathway integrates growth factor signaling through extracellular signal-regulated kinase (ERK) to control cell proliferation. To study ERK dynamics, many researchers use an ERK activity kinase translocation reporter (KTR). Our study reveals that this ERK KTR also partially senses cyclin-dependent kinase 2 (CDK2) activity, making it appear as if ERK activity rises as cells progress through the cell cycle.
View Article and Find Full Text PDFThymol inhibits ergosterol biosynthesis in Nakaseomyces glabratus, but differently from azole antifungals.
J Mycol Med
December 2024
Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran; Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran. Electronic address:
Introduction: Nakaseomyces glabratus is considered a high priority of attention according to WHO, and also is an important yeast species due to its high rate of intrinsic/acquired resistance against fluconazole. This study aimed at the possible mechanisms of action of thymol, as the promising new antifungal agent, in N. glabratus.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!