Results 111 to 120 of about 323,377 (241)

Molecular characterization and biodiversity of wood-decaying fungi in French Guiana [PDF]

open access: yes, 2014
Fungi from tropical regions are currently under-represented in the classification system. Indeed, difficult access to tropical forests and irregular occurrence carpophores make it complicated to study fungus species in such environments, unlike in ...
Beauchêne, Jacques   +3 more
core  

Methods for Controlling Small GTPase Activity

open access: yesChemBioChem, Accepted Article.
Small GTPases comprise a diverse class of signaling proteins in mammalian cells and regulate a variety of cellular processes such as cell growth, cell movement, vesicle formation, and nuclear transport. Due to their involvement in critical cellular pathways, changes in the activation state of small GTPases due to genetic mutations or alterations in ...
Benjamin Faulkner   +3 more
wiley   +1 more source

Clade III Synthases Add Cyclic and Linear Terpenoids to the Psilocybe Metabolome

open access: yesChemBioChem, EarlyView.
The Psilocybe cubensis terpene synthases, CubB‐CubE, were investigated. Product formation assays identified CubB as a (3R,6E)‐(‐)‐nerolidol or linalool synthase, whereas CubC is a multiproduct synthase catalyzing the formation of β‐caryophyllene and other linear and cyclic sesquiterpenes/‐terpenoids.
Nick Zschoche   +7 more
wiley   +1 more source

Mammalian Tolerance to Amino Acid Heterochirality

open access: yesChemBioChem, Accepted Article.
Organisms use amino acids predominantly in l‐configuration. On the other hand, a series of studies show that a variety of d‐amino acids also occur in mammals and amino acid homochirality is not complete. Mammals de novo synthesize most amino acids with l‐configuration, but serine and aspartate are converted from l‐ to d‐configuration by endogenous ...
Jumpei Sasabe   +4 more
wiley   +1 more source

Biosynthesis of the Fungal Cyclic Lipodepsipeptide Pleosporacin, a New Selective Inhibitor of the Phytopathogen Botrytis cinerea

open access: yesChemBioChem, EarlyView.
Bioactivity‐guided isolation led to the discovery of a potent and selective inhibitor of the phytopathogen Botrytis cinerea, pleosporacin (1), from mycelia extracts of the fungal strain Pleosporales sp. IBWF 020‐21. The biosynthesis of the nonribosomal cyclic lipodepsipeptide 1 was elucidated via heterologous reconstitution in Aspergillus oryzae ...
Carsten Wieder   +6 more
wiley   +1 more source

Advances in Mechanochemical Methods for One‐Pot Multistep Organic Synthesis

open access: yesChemistry – A European Journal, EarlyView.
This review highlights recent advances in mechanochemical methods for multistep organic synthesis, focusing on sequential one‐pot approaches performed by grinding or ball milling. The presented transformations are discussed in terms of efficiency, applicability, and sustainability, assessing both the challenges and potential of solvent‐free one‐pot ...
Nina Biedermann, Michael Schnürch
wiley   +1 more source

PEK14: A Kinesin‐4 Necessary for Male‐Derived Fertility in Arabidopsis thaliana

open access: yesCytoskeleton, EarlyView.
ABSTRACT Of the 61 kinesins annotated in Arabidopsis thaliana, many are still without assigned function. Here, we have screened an insertional mutant library of Arabidopsis pollen‐expressed kinesins for fertility defects. Insertional mutants for three kinesins showed a significant reduction in seed set.
Isabella N. Mendes   +6 more
wiley   +1 more source

Novel quinazolinones active against multidrug‐resistant Mycobacterium tuberculosis: synthesis, antimicrobial evaluation and in silico exploration of PonA1 as a potential target

open access: yesChemMedChem, Accepted Article.
Quinazolinone derivatives have emerged as promising scaffolds in antimicrobial drug discovery. This work focuses on the design, synthesis, and evaluation of novel quinazolinone‐based compounds and predicts their potential to interact with mycobacterial penicillin‐binding proteins (PBPs).
MAREK KERDA   +15 more
wiley   +1 more source

Effect of Cytochrome P450 3A Inhibition and Induction by Itraconazole and Rifampin on Tazemetostat Pharmacokinetics in Patients With Advanced Malignancies

open access: yesClinical Pharmacology in Drug Development, EarlyView.
Abstract This study (NCT04537715) investigated itraconazole (strong cytochrome P450 [CYP] 3A inhibitor) and rifampin (strong CYP3A inducer) on tazemetostat pharmacokinetics. In Part 1, patients received tazemetostat 400 mg orally on Days 1, 15, and 36, and 400 mg twice daily on Days 3‐14 and Days 21‐35.
Yingxue Chen   +6 more
wiley   +1 more source

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