66 resultados para Apolipoprotéine CIII


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The heat shock response in Escherichia coli is governed by the concentration of the highly unstable sigma factor sigma 32. The essential protein HflB (FtsH), known to control proteolysis of the phage lambda cII protein, also governs sigma 32 degradation: an HflB-depleted strain accumulated sigma 32 and induced the heat shock response, and the half-life of sigma 32 increased by a factor up to 12 in mutants with reduced HflB function and decreased by a factor of 1.8 in a strain overexpressing HflB. The hflB gene is in the ftsJ-hflB operon, one promoter of which is positively regulated by heat shock and sigma 32. The lambda cIII protein, which stabilizes sigma 32 and lambda cII, appears to inhibit the HflB-governed protease. The E. coli HflB protein controls the stability of two master regulators, lambda cII and sigma 32, responsible for the lysis-lysogeny decision of phage lambda and the heat shock response of the host.

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The copepod Calanus glacialis plays a key role in the lipid-based energy flux in Arctic shelf seas. By utilizing both ice algae and phytoplankton, this species is able to extend its growth season considerably in these seasonally ice-covered seas. This study investigated the impacts of the variability in timing and extent of the ice algal bloom on the reproduction and population success of C. glacialis. The vertical distribution, reproduction, amount of storage lipids, stable isotopes, fatty acid and fatty alcohol composition of C. glacialis were assessed during the Circumpolar Flaw Lead System Study. Data were collected in the Amundsen Gulf, south-eastern Beaufort Sea, from January to July 2008 with the core-sampling from March to April. The reduction in sea ice thickness and coverage observed in the Amundsen Gulf in 2007 and 2008 affected the life strategy and reproduction of C. glacialis. Developmental stages CIII and CIV dominated the overwintering population, which resulted in the presence of very few CV and females during spring 2008. Spawning began at the peak of the ice algal bloom that preceded the precocious May ice break-up. Although the main recruitment may have occurred later in the season, low abundance of females combined with a potential mismatch between egg production/development to the first feeding stage and phytoplankton bloom resulted in low recruitment of C. glacialis in the early summer of 2008.

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Original ed. issued in series: Collection de documents relatifs à l'histoire de Paris pendant la Révolution française.

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Mode of access: Internet.

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Memoir by C.E. Norton: p. [xxi]-ciii.

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Pie de imp. T. II y III: Paris: É. Legrand et C. Descauriet.

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Contiene : Tom. I (1-2) - Tom. III (3-4) - Tom. V (5-6) - T. VII (7-8) - Tom. IX (9-10) - Tom. XI (11-12) - Tom. XIII (13-14) - Tom. XV (15-16) - Tom. XVII (17-18) - Tom. XIX (19-20) - Tom. XXIII (23-24) - Tom. XXV (25-26) - Tom. XXIX (29-30) - Tom. XXXI (31-32) - Tom. XXXIII (33-34) - Tom. XXXV (35-36) - Tom. XXXVII (37-38) - Tom. XXXIX (39-40) - Tom. XLIII (43-44) - Tom. XLV (45-46) - Tom. XLIX (49-50) - Tom. LI (51-52) - Tom. LIII (53-54) - Tom. LV (55-56) - Tom. LVII (57-58) - Tom. LIX (59-60) - Tom. LXIII (63-64) - Tom. LXV (65-66) - Tom. LXVII (67-68) - Tom. LXXI (71-72) - Tom. LXXIII (73-74) - Tom. LXXXI (81-82) - Tom. LXXXIII (83-84) - Tom. LXXXVII (87-88) - Tom. LXXXIX (89-90) - Tom. XCI (91-92) - Tom. XCV (95-96) - Tom. XCVII (97-98) - Tom. XCIX (99-100) - Tom. CI (101-102) - Tom. CIII (103-104) - Tom. CV (105-106) - Tom. CVII (107-108) - Tom. CXI (111-112) - Tom. CXV (115-116) - Tom. CIX (119-120) - Tom. CXVII (117-118) - Tom. CXIX (119-120) - Tom. CXXI (121-122) - Tom. CXXIII (123-124) - Tom. CXXV (125-126) - Tom. CXXIX (129-130) - Tom. CXXXI (131-132) - Tom. CXXXIII (133-134) - Tom. CXXXIX (139-140) - Tom. CXLIX (149-150) - Tom. CLI (151-152) - Tom. CLIII (153-154) - Tom. CLV (155-156) - Tom. CLVII (157-158) - Tom. CLIX (159-160) - Tom. CLXIII (163-164) - Tom. CLXVII (167-168) -Tom. 1-2 : Indice y causes celebres.

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Contiene: T. I (XVIII, 397 p.) -- T. II (276, CIII, [3] p.)

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t. X. Synodus cpolitana, Constantinus diaconus, Severus Ant., Leontius, Nicephorus patr., Nicolaus I. patr., Photius ad Armenios, et minora alia. Poggii epistolarum centuria et oratio.

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[Bottom of p. 1. Vol. III. No. CIII.]