Results 151 to 160 of about 121,345 (281)
ABSTRACT Of the three types of cytoskeleton known in animals—actin, microtubules, and intermediate filaments—only actin and microtubules exist in plants. Both play important roles in cellular shaping, organelle movement, organization of the endomembrane system, and cell signaling.
Norman R. Groves +3 more
wiley +1 more source
Global policy scan of commercial combustible tobacco product retailing regulations by WHO region. [PDF]
Canty R, Gartner CE, Hoek J, Hefler M.
europepmc +1 more source
Origins in the USA in the 1980s of the warning that smokeless tobacco is not a safe alternative to cigarettes: a historical, documents-based assessment with implications for comparative warnings on less harmful tobacco/nicotine products [PDF]
Lynn T. Kozlowski
openalex +1 more source
Making Two out of One: Kinesin Motors Driving Plant Cell Division
ABSTRACT The Kinesin superfamily of microtubule dependent motors is present in all eukaryotes. Not all of the subfamilies are represented in all kingdoms, and the ones that are do not always show conserved functions. Tight control of the cytoskeleton is essential for proper progression and completion of mitosis and cytokinesis, and key functions are ...
Choy Kriechbaum, Sabine Müller
wiley +1 more source
ABSTRACT Pollen is a male gametophyte of angiosperms. Following meiosis, the microspore undergoes an asymmetric division called pollen mitosis I (PMI), which produces two cells of different sizes: a large vegetative cell and a small generative cell. Polarized nuclear migration and positioning during PMI are important for successful pollen development ...
Yoko Mizuta +5 more
wiley +1 more source
Effective Enforcement of Laws Prohibiting Underage Tobacco Product Sale Is Needed. [PDF]
Farber HJ.
europepmc +1 more source
Mechanisms of resistance to cancer immunotherapy from a host–tumor interaction perspective. The central tumor cell is protected by multiple resistance mechanisms, including genetic mutations, epigenetic modifications, and metabolic alterations. The immunosuppressive tumor microenvironment features myeloid‐derived suppressor cells (MDSCs), regulatory T ...
Mohammed Elmujtba Adam Essa +2 more
wiley +1 more source

