Výsledky vyhledávání - "F. M. Harold"

Ionic and Electrical Dimensions of Hyphal Growth

Autor: F. M. Harold

Publikováno v: Growth, Differentiation and Sexuality ISBN: 9783662119105

Fungal hyphae extend at the apex, by the localized deposition of new plasma membrane and cell wall. We owe this insight to Max Otto Reinhardt (1854–1935), whose classic paper on the growth of fungal hyphae was published just over a century ago (Rei

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19de491f95ade0d2371e8d837a685851
https://doi.org/10.1007/978-3-662-11908-2_5

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To shape a cell: an inquiry into the causes of morphogenesis of microorganisms

Autor: F M Harold

Publikováno v: Microbiological reviews. 54(4)

We recognize organisms first and foremost by their forms, but how they grow and shape themselves still largely passes understanding. The objective of this article is to survey what has been learned of morphogenesis of walled eucaryotic microorganisms

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65b459144880f3390102b365bc6cf643
https://pubmed.ncbi.nlm.nih.gov/2128368

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Circulation of potassium across the plasma membrane of Blastocladiella emersonii: K+ channel

Autor: J Van Brunt, John H. Caldwell, F. M. Harold

Publikováno v: Journal of Bacteriology. 150:1449-1461

A previous paper reported that the water mold Blastocladiella emersonii generates a transcellular electrical current, such that positive charges enter the rhizoid and leave from the thallus (Stump et al., Proc. Natl. Acad. Sci. U.S.A. 77: 6673-6677,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6af4bcc458572b9f663efd81a0102e5a
https://doi.org/10.1128/jb.150.3.1449-1461.1982

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ATP-linked calcium transport in cells and membrane vesicles of Streptococcus faecalis

Autor: J Van Brunt, F. M. Harold, H Kobayashi

Publikováno v: Journal of Biological Chemistry. 253:2085-2092

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31471d3efbcefc24dd3afd97d9e40d55
https://doi.org/10.1016/s0021-9258(17)38043-2

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ATP-linked sodium transport in Streptococcus faecalis. I. The sodium circulation

Autor: D L Heefner, F M Harold

Publikováno v: Journal of Biological Chemistry. 255:11396-11402

Streptococcus faecalis, like other bacteria, expels Na+ and accumulates K+. Sodium movements in several bacterial species have been attributed to secondary antiport of Na+ for H+, energized by the proton-motive force. We find a more complex pattern:

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https://doi.org/10.1016/s0021-9258(19)70304-4

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ATP-linked sodium transport in Streptococcus faecalis. II. Energy coupling in everted membrane vesicles

Autor: D L Heefner, H Kobayashi, F M Harold

Publikováno v: Journal of Biological Chemistry. 255:11403-11407

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::905d966df9c9ae55ff38049460856221
https://doi.org/10.1016/s0021-9258(19)70305-6

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Impairment and Restoration of the Energized State in Membrane Vesicles of a Mutant of Escherichia coli Lacking Adenosine Triphosphatase

Autor: Karlheinz Altendorf, F. M. Harold, Robert D. Simoni

Publikováno v: Journal of Biological Chemistry. 249:4587-4593

We have studied a mutant of Escherichia coli, DL-54, which lacks Ca2+, Mg2+-stimulated ATPase activity and cannot use ATP as an energy source for active transport and other work functions. The purpose of the investigation was to explain the unexpecte

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https://doi.org/10.1016/s0021-9258(19)42458-7

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Energy coupling to potassium transport in Streptococcus faecalis. Interplay of ATP and the protonmotive force

Autor: E P Bakker, F M Harold

Publikováno v: Journal of Biological Chemistry. 255:433-440

We have studied the mechanism by which metabolic energy is coupled to potassium accumulation by the fermentative bacterium, Streptococcus faecalis. In starving cells, K+ movements into the cells or out are very slow; even 42K+/K+ exchange requires co

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https://doi.org/10.1016/s0021-9258(19)86192-6

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A protonmotive force drives bacterial flagella

Autor: Michael D. Manson, Howard C. Berg, C Van der Drift, P. M. Tedesco, F M Harold

Publikováno v: Proceedings of the National Academy of Sciences. 74:3060-3064

Streptococcus strain V4051 is motile in the presence of glucose. The cells move steadily along smooth paths (run), jump about briefly with little net displacement (twiddle), and then run in new directions. They stop swimming when deprived of glucose.

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https://doi.org/10.1073/pnas.74.7.3060

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ATP-driven exchange of Na+ and K+ ions by Streptococcus faecalis

Autor: Y Kakinuma, F M Harold

Publikováno v: Journal of Biological Chemistry. 260:2086-2091

We describe the characterization of KtrII, a novel potassium transport system of Streptococcus faecalis, first discovered by H. Kobayashi [1982) J. Bacteriol. 150, 506-511). KtrII requires sodium ions and mediates the stoichiometric exchange of inter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d99011f53202212102333a057c381e38
https://doi.org/10.1016/s0021-9258(18)89520-5

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