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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
Cortical Representation Of Lateralized Grasping In Chimpanzees (Pan Troglodytes): A Combined Mri And Pet Study, William D. Hopkins, Jared P. Taglialatela, Jamie L. Russell, Talia M. Nir, Jennifer Schaeffer
Cortical Representation Of Lateralized Grasping In Chimpanzees (Pan Troglodytes): A Combined Mri And Pet Study, William D. Hopkins, Jared P. Taglialatela, Jamie L. Russell, Talia M. Nir, Jennifer Schaeffer
Faculty and Research Publications
Functional imaging studies in humans have localized the motor-hand region to a neuroanatomical landmark call the KNOB within the precentral gyrus. It has also been reported that the KNOB is larger in the hemisphere contralateral to an individual's preferred hand, and therefore may represent the neural substrate for handedness. The KNOB has also been neuronatomically described in chimpanzees and other great apes and is similarly associated with handedness. However, whether the chimpanzee KNOB represents the hand region is unclear from the extant literature. Here, we used PET to quantify neural metabolic activity in chimpanzees when engaged in unilateral reach-and-grasping responses …
Kinetic Characterization Of Salmonella Flik-Flhb Interactions Demonstrates Complexity Of The Type Iii Secretion Substrate-Specificity Switch, Daniel P. Morris, Eric D. Roush, J. Will Thompson, M. Arthur Moseley, James W. Murphy, Jonathan L. Mcmurry
Kinetic Characterization Of Salmonella Flik-Flhb Interactions Demonstrates Complexity Of The Type Iii Secretion Substrate-Specificity Switch, Daniel P. Morris, Eric D. Roush, J. Will Thompson, M. Arthur Moseley, James W. Murphy, Jonathan L. Mcmurry
Faculty and Research Publications
The bacterial flagellum is a complex macromolecular machine consisting of more than 20000 proteins, most of which must be exported from the cell via a dedicated Type III secretion apparatus. At a defined point in flagellar morphogenesis, hook completion is sensed and the apparatus switches substrate specificity type from rod and hook proteins to filament ones. How the switch works is a subject of intense interest. FIiK and F1hBs play central roles. In the present study, two optical biosensing methods were used to characterize FIiK-F1hB interactions using wild-type and two variant FlhBs from mutants with severe flagellar structural defects. Binding …
Quantification Of Aflatoxin B1 In Ready-To-Use Food Thickeners In South-East Geo-Political Zone In Nigeria, G. I. Okwu, Premila N. Achar, Santosh K. Sharma
Quantification Of Aflatoxin B1 In Ready-To-Use Food Thickeners In South-East Geo-Political Zone In Nigeria, G. I. Okwu, Premila N. Achar, Santosh K. Sharma
Faculty and Research Publications
A total of 150 ready to use food thickeners were randomly collected from various markets in both urban and rural settings. Four of the samples tested Achi (Brachystegia eurycoma), Akpalata (Afzelia africana), Ofor (Detarium microcarpum), and Ukpo (Mucuna flagellipes) were contaminated with fungal flora. The most common and prevalent fungi observed on incubated powdered form of food thickeners on media, were the Aspergillus group namely Aspergillus flavus, Aspergillus parasiticus and Aspergillus niger. Pure isolates of A. flavus and A. parasiticus from various food thickeners from open markets in Nigeria were screened for their potential to produce aflatoxin B-1 (AFB(1)) on …
Sequence Analysis Of Leuconostoc Mesenteroides Bacteriophage Φ1-A4 Isolated From An Industrial Vegetable Fermentation, Jean Lu, Eric Altermann, Frederick Breidt, Sergei Kozyavkin
Sequence Analysis Of Leuconostoc Mesenteroides Bacteriophage Φ1-A4 Isolated From An Industrial Vegetable Fermentation, Jean Lu, Eric Altermann, Frederick Breidt, Sergei Kozyavkin
Faculty and Research Publications
Vegetable fermentations rely on the proper succession of a variety of lactic acid bacteria (LAB) including Leuconostoc mesenteroides. L. mesenteroides initiates the fermentation, producing lactic and acetic acids, CO2, and many flavor compounds. As the fermentation proceeds, L. mesenteroides dies off and other LAB complete the fermentation. Phage infecting L. mesenteroides may significantly influence the die-off of L. mesenteroides. However, no L. mesenteroides phages have been previously sequenced and genetically characterized. Knowledge of more phage genome sequences may provide new insights into phage genomics and phage-host interactions. We have determined the complete genome sequence of L. mesenteroides phage (phi)1-A4, which …