Results 281 to 290 of about 76,591 (300)
Some of the next articles are maybe not open access.
Evolution of the Bacterial Flagellum
Microbe Magazine, 2007Proponents of the intelligent design (ID) explanation for how organisms developed claim that the bacterial flagellum (BF) is irreducibly complex. They argue that this structure is so complicated that it could not have emerged through random selection but had to be designed by an intelligent entity.
Alexandra Dodds +7 more
openaire +4 more sources
Assembly and function of the archaeal flagellum
Biochemical Society Transactions, 2011Motility is a common behaviour in prokaryotes. Both bacteria and archaea use flagella for swimming motility, but it has been well documented that structures of the flagellum from these two domains of life are completely different, although they contribute to a similar function. Interestingly, information available to date has revealed that structurally
Ghosh, Abhrajyoti, Albers, Sonja Verena
openaire +4 more sources
Molecular architecture of bacterial flagellum
Quarterly Reviews of Biophysics, 19971. INTRODUCTION 22. OVERALL STRUCTURE AND SUBSTRUCTURES 52.1 Overall structure and components 52.2 Bidirectional rotary motor 52.3 Drive shaft 82.4 Bushing 82.5 Universal joint 92.6 Helical propeller 92.7 Axial junction 102.8 Capping structure 113. ASSEMBLY PROCESS OF THE FLAGELLUM 113.1 Step by step assembly 113.2 Flagellum-specific export apparatus ...
Keiichi Namba, Ferenc Vonderviszt
openaire +3 more sources
The Paraxial Structure of the Flagellum of Trypanosomatidae
The Journal of Parasitology, 1980The flagella of several Trypanosomatidae (Trypanosoma cruzi, Herpetomonas samuelpessoai, Leptomonas samueli, Herpetomonas megaseliae, and Crithidia harmosa) were studied. Besides the axoneme, they have a filamentous, latticelike structure, the paraxial or paraflagellar rod.
Wanderley de Souza +2 more
openaire +3 more sources
Structure and Assembly of the Bacterial Flagellum
2022The bacterial flagellum is a large macromolecular assembly that acts as propeller, providing motility through the rotation of a long extracellular filament. It is composed of over 20 different proteins, many of them highly oligomeric. Accordingly, it has attracted a huge amount of interest amongst researchers and the wider public alike.
Al-Otaibi, Natalie S. +1 more
openaire +3 more sources
Fish sperm motility analysis: the central role of the flagellum.
Reproduction, Fertility and Development, 2018Motility analysis of spermatozoa relies on the investigation of either head trajectories or flagellum characteristics. Those two sets of parameters are far from being independent, the flagellum playing the role of motor, whereas the head plays a passive ...
S. Boryshpolets +3 more
semanticscholar +1 more source
Genetic analysis of the bacterial flagellum
Trends in Genetics, 1991Escherichia coli and Salmonella typhimurium invest considerable resources in making flagella, motor organelles that function much like the propellers on a ship. Both classical and molecular genetic studies have begun to reveal how flagellar genes are regulated and how their products build and operate these remarkable devices.
Robert M. Macnab, John S. Parkinson
openaire +3 more sources
2000
To avoid any misunderstanding, it is worth noting here the definite distinction between flagellum (prokaryotic) and cilium (eukaryotic). The two structures only have in common the fact that they are thin mobile protrusions with a precise and stable organization, and also a definite position in the cell (unlike, for example, the pseudopods of eukaryotic
openaire +2 more sources
To avoid any misunderstanding, it is worth noting here the definite distinction between flagellum (prokaryotic) and cilium (eukaryotic). The two structures only have in common the fact that they are thin mobile protrusions with a precise and stable organization, and also a definite position in the cell (unlike, for example, the pseudopods of eukaryotic
openaire +2 more sources
On the uniqueness of the flagellum ofThiobacillus thiooxidans
Antonie van Leeuwenhoek, 1967The flagellum of the obligate chemolithotrophThiobacillus thiooxidans was found to retain its integrity and function under environmental conditions that characterize it as among the most stable of alloplasmatic structures. Although a simple, presumably unsheathed organelle approximately 17 mµ in diameter, it is operationally active at a hydrogen ion ...
T M Cook, R. N. Doetsch, Z Vaituzis
openaire +3 more sources
The flagellum and flagellar pocket of trypanosomatids
Molecular and Biochemical Parasitology, 2001The flagellum and flagellar pocket are distinctive organelles present among all of the trypanosomatid protozoa. Currently, recognized functions for these organelles include generation of motility for the flagellum and dedicated secretory and endocytic activities for the flagellar pocket.
Scott M. Landfear, Marina Ignatushchenko
openaire +3 more sources