Flagellum functioning in the control of Chlamydomonas reinhardtii tactic movements

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Flagellum functioning in the control of Chlamydomonas reinhardtii tactic movements. / Ermilova, E. V.; Zalutskaya, Zh M.; Lapina, T. V.; Nikitin, M. M.; Gromov, B. V.

In: Russian Journal of Plant Physiology, Vol. 47, No. 5, 09.2000, p. 660-663.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{003eb2237f8c4b749c6e553b3a59c7a9,

title = "Flagellum functioning in the control of Chlamydomonas reinhardtii tactic movements",

abstract = "Motile cells of unicellular green alga Chlamydomonas reinhardtii can perceive both light and chemical signals. Algal mutants with defects in the dynein arm structure (ida4 and oda22), ptx mutants deficient in the axonemal sensitivity to calcium ions, and ppr mutants lacking an ionic channel specific to the photophobic response were analyzed. The mechanism of cell orientation in the chemotactic responses was shown to depend on functional differences between cis-and frans-flagella, which differ in the beat frequencies and sensitivity of their axonetnes to submicromolar calcium concentrations. Thus, the mechanisms controlling flagellum operation are similar in the case of chemotaxis and phototaxis but distinct from that for the photophobic response.",

keywords = "Behavioral mutants, Chemotaxis, Chlamydomonas reinhardtii, Photophobic response, Phototaxis",

author = "Ermilova, {E. V.} and Zalutskaya, {Zh M.} and Lapina, {T. V.} and Nikitin, {M. M.} and Gromov, {B. V.}",

year = "2000",

month = sep,

language = "English",

volume = "47",

pages = "660--663",

journal = "Russian Journal of Plant Physiology",

issn = "1021-4437",

publisher = "Pleiades Publishing",

number = "5",

}

RIS

TY - JOUR

T1 - Flagellum functioning in the control of Chlamydomonas reinhardtii tactic movements

AU - Ermilova, E. V.

AU - Zalutskaya, Zh M.

AU - Lapina, T. V.

AU - Nikitin, M. M.

AU - Gromov, B. V.

PY - 2000/9

Y1 - 2000/9

N2 - Motile cells of unicellular green alga Chlamydomonas reinhardtii can perceive both light and chemical signals. Algal mutants with defects in the dynein arm structure (ida4 and oda22), ptx mutants deficient in the axonemal sensitivity to calcium ions, and ppr mutants lacking an ionic channel specific to the photophobic response were analyzed. The mechanism of cell orientation in the chemotactic responses was shown to depend on functional differences between cis-and frans-flagella, which differ in the beat frequencies and sensitivity of their axonetnes to submicromolar calcium concentrations. Thus, the mechanisms controlling flagellum operation are similar in the case of chemotaxis and phototaxis but distinct from that for the photophobic response.

AB - Motile cells of unicellular green alga Chlamydomonas reinhardtii can perceive both light and chemical signals. Algal mutants with defects in the dynein arm structure (ida4 and oda22), ptx mutants deficient in the axonemal sensitivity to calcium ions, and ppr mutants lacking an ionic channel specific to the photophobic response were analyzed. The mechanism of cell orientation in the chemotactic responses was shown to depend on functional differences between cis-and frans-flagella, which differ in the beat frequencies and sensitivity of their axonetnes to submicromolar calcium concentrations. Thus, the mechanisms controlling flagellum operation are similar in the case of chemotaxis and phototaxis but distinct from that for the photophobic response.

KW - Behavioral mutants

KW - Chemotaxis

KW - Chlamydomonas reinhardtii

KW - Photophobic response

KW - Phototaxis

UR - http://www.scopus.com/inward/record.url?scp=0034335558&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0034335558

VL - 47

SP - 660

EP - 663

JO - Russian Journal of Plant Physiology

JF - Russian Journal of Plant Physiology

SN - 1021-4437

IS - 5

ER -

ID: 84652206