jeanflop/post_ocr_correction2 huggingface dataset:
result of both specific and non-specific mechanisms, as is proved by the fact that a lesser but still quite clear degree of resistance to infestation can be obtained by injection of Freund's adjuvant alone. Experimental Pathology Attempt at Production, in the Rat, of Hepatitis with Cirrhotic Evolution, by Amino-Steroid: Holaphyllaminol or Amino-3-p Hydroxy-20-Pregnene-5, by Vu Quang Huren, Jeannine Choppin, Andree Desplaces and Georges Roux Holaphyllaminol, or Amino-3-p-Hydroxy-20-p Pregnen-5, was administered by gastric tube to male Wistar rats at doses of 50, 100 and 200 mg/kg 24 h respectively, during 10, 20, 40 and 80 days. This substance provokes hepatic lesions beginning at the periportal region, the characteristics of which are a cholestasis, a canalicular proliferation and a fibrosis. The interest of these alterations lies in the fact that they present the same features as certain human chronic hepatitis; their progression, a function of the dose of the toxin and the duration of treatment, may make possible the realization of a model of experimental chronic hepatitis. Dominique Hadia, Philippe Lagny and Josette Taugourdeau 1247 The main parameters which are at the present time related to sedimentary sulphide deposits are well represented in the mangrove swamp landscape. All the lithologic, petrographic, mineralogic and palynologic data regarding the Treves Pb-Zn ore deposits and their host-rocks agree with a genesis in such an area. Petrography Evidence of Tholeiitic Pigeonite Series in the Superior Precambrian of the Central African Republic. Relation with Tectonics, by Jean-Louis Poidevin 1251 Study of Dolerites of the Central African Republic. Attribution to the tholeiitic pigeonite series. Age, relation with geodynamics, Chronogeology Radiometric Dating of a Shoreline at + 2.5 m Near Aghia Roumeli, Crete, Greece, by Paolo Probozzi and Jean Thommeret 1255 The sea level investigated is lower and slightly older (2,400 ± 70 B.P.) than other emerged shorelines observed in the same area. Superimposed traces of a number of former sea levels can be identified on this tectonically unstable coast. Geology Preliminary Note on the Ring Complex, Subvolcanic Massif Abontorok (Air-Niger), by Jean-Paul Karche and Christian Moreau 1259 The small Abontorok ring complex in the center of Air, made
and palynologic data regarding the Treves Pb-Zn ore deposits and their host-rocks agree with a genesis in such an area. Petrography Evidence of Tholeiitic Pigeonite Series in the Superior Precambrian of the Central African Republic. Relation with Tectonics, by Jean-Louis Poidevin 1251 Study of Dolerites of the Central African Republic. Attribution to the tholeiitic pigeonite series. Age, relation with geodynamics, Chronogeology Radiometric Dating of a Shoreline at + 2.5 m Near Aghia Roumeli, Crete, Greece, by Paolo Probozzi and Jean Thommeret 1255 The sea level investigated is lower and slightly older (2,400 ± 70 B.P.) than other emerged shorelines observed in the same area. Superimposed traces of a number of former sea levels can be identified on this tectonically unstable coast. Geology Preliminary Note on the Ring Complex, Subvolcanic Massif Abontorok (Air-Niger), by Jean-Paul Karche and Christian Moreau 1259 The small Abontorok ring complex in the center of Air, made up, for the greater part, of anorthosites intersected by thin granites and syenites ring-dykes, has a "funnel-structure". A quasi-continuous evolution of textural and mineralogical characters of the anorthosites appears from inside to outside. The presence of a central endogenetic breccia shows its setting at a low depth. Tectonics The Ardennotype, by Claude Klein 1263 Like the Armoricanotype, the ardennotype shows supple reactions of a prevariscan basement which was imperfectly hardened. Stratigraphy Palynology confirms Bartonian Existence in the Eocene Campbon Basin (Loire-Atlantique), by Marie-Françoise Ollivier-Pierre 1267 The presence of Aglaoreidia cyclops in the attapulgite clays, which overlie the Upper Lutetian sandy and calcareous sediments, allows us to date these clays as Upper Bartonian, Hydrogeology Contribution of aircraft thermal infrared remote sensing to a knowledge of superficial hydrology in estuaries (Charente, Seudre rivers and Aiguillon Bay), by Claude Dechambray, Louis Pontier, Francis Sirou and Jean Vouve 1269 Superficial hydrology analysis of estuaries can be completely recreated from infrared thermographic records. The water transfers (mesohaline and salt water), and the wave fronts between these two environments are disclosed and observed during tides. The birth of different complex mixed zones of convective cells linked with submarine-terrestrial topographies is also brought out. The Geothermometer Grounded
by Claude Klein 1263 Like the Armoricanotype, the ardennotype shows supple reactions of a prevariscan basement which was imperfectly hardened. Stratigraphy Palynology confirms Bartonian Existence in the Eocene Campbon Basin (Loire-Atlantique), by Marie-Françoise Ollivier-Pierre 1267 The presence of Aglaoreidia cyclops in the attapulgite clays, which overlie the Upper Lutetian sandy and calcareous sediments, allows us to date these clays as Upper Bartonian, Hydrogeology Contribution of aircraft thermal infrared remote sensing to a knowledge of superficial hydrology in estuaries (Charente, Seudre rivers and Aiguillon Bay), by Claude Dechambray, Louis Pontier, Francis Sirou and Jean Vouve 1269 Superficial hydrology analysis of estuaries can be completely recreated from infrared thermographic records. The water transfers (mesohaline and salt water), and the wave fronts between these two environments are disclosed and observed during tides. The birth of different complex mixed zones of convective cells linked with submarine-terrestrial topographies is also brought out. The Geothermometer Grounded on the Cations Over Silicon Ratios of Thermal Water and Deep Aquifer, by Henri Schoeller and Marc Schoeller 1273 The geothermometer established by considering the cations over silicon ratios of thermal water and deep aquifer is improved by adding the effects of the chlorine content of the deep aquifer and of the cations and the silicon contributed by atmospheric water feeding into the hydrothermal system. Paleontology New Theridomyinae from the Paleogene of Western Europe, by Monique Vianey-Liaud 1277 Three new Theridomyinae (Oligocene Rodentia) are described (Theridomys perrealensis now sp., Archaeomys intermedius nov. sp, A. laurillardi helveticus nov. subsp.). A diagram shows the phyletic relationships between these species and the other Theridomyidae. Plant Physiology Variability of the Apparent Cyanide-Resistance in Arum Mitochondria, by Michele Chauveau 1281 In plant mitochondria with two electron transfer pathways (cytochrome and alternative pathways) correct determination of apparent cyanide resistance can be carried out only if the rates of electron transfer are maximal. Failure to meet this requirement explains some conflicting results reported in the literature on Arum maculatum mitochondria. Synthesis Characterisation of Herbaceous Plant Roots from Representative Samples of Root Systems, by Claude Maertens and Jean-Louis Chopart 1285 The characterisation of herbaceous plant roots is realized
of the cations and the silicon contributed by atmospheric water feeding into the hydrothermal system. Paleontology New Theridomyinae from the Paleogene of Western Europe, by Monique Vianey-Liaud 1277 Three new Theridomyinae (Oligocene Rodentia) are described (Theridomys perrealensis now sp., Archaeomys intermedius nov. sp, A. laurillardi helveticus nov. subsp.). A diagram shows the phyletic relationships between these species and the other Theridomyidae. Plant Physiology Variability of the Apparent Cyanide-Resistance in Arum Mitochondria, by Michele Chauveau 1281 In plant mitochondria with two electron transfer pathways (cytochrome and alternative pathways) correct determination of apparent cyanide resistance can be carried out only if the rates of electron transfer are maximal. Failure to meet this requirement explains some conflicting results reported in the literature on Arum maculatum mitochondria. Synthesis Characterisation of Herbaceous Plant Roots from Representative Samples of Root Systems, by Claude Maertens and Jean-Louis Chopart 1285 The characterisation of herbaceous plant roots is realized by classic estimators of population: mean, variance, sum of squares of deviations, of diameters and by root length. These data are obtained from global measure of weight, length and "diameter area" of root samples and are representative of root systems. Genetics The Composition of the Essential Oil of Thymus vulgaris L. (Lamiaceae): Mode of Hereditary Transmission of Three Terpenes (the Thymol, the Carvacrol and the Linalool), by Philippe Velut 1289 Two loci, genetically independent, have been noted: the Ph locus and the Li locus. At the Ph locus, two genes decide the nature of the phenol: the Ph, dominant allele controls the accumulation of carvacrol, the Ph, recessive allele those of thymol. This couple of alleles is hypostatic on the Li allele which controls the accumulation of linalool, while the Li, recessive allele permits the exteriorization of the former. Physiology Demonstration of Specific Receptors for Angiotensin III in Rat Adrenals, by Marie-Aude Devynck, Marie-Gabriel Le Pernollet, Philip Geoffrey Matthews and Philippe Meyer 1293 Distinct and specific binding sites for LH-angiotensin II (A II) and LH-angiotensin III (A III) have been demonstrated in Rat adrenal gland preparations. A III binding sites have the highest affinity (Kd 1-2 x 10-10M) for the
L. (Lamiaceae): Mode of Hereditary Transmission of Three Terpenes (the Thymol, the Carvacrol and the Linalool), by Philippe Velut 1289 Two loci, genetically independent, have been noted: the Ph locus and the Li locus. At the Ph locus, two genes decide the nature of the phenol: the Ph, dominant allele controls the accumulation of carvacrol, the Ph, recessive allele those of thymol. This couple of alleles is hypostatic on the Li allele which controls the accumulation of linalool, while the Li, recessive allele permits the exteriorization of the former. Physiology Demonstration of Specific Receptors for Angiotensin III in Rat Adrenals, by Marie-Aude Devynck, Marie-Gabriel Le Pernollet, Philip Geoffrey Matthews and Philippe Meyer 1293 Distinct and specific binding sites for LH-angiotensin II (A II) and LH-angiotensin III (A III) have been demonstrated in Rat adrenal gland preparations. A III binding sites have the highest affinity (Kd 1-2 x 10-10M) for the 2-8 heptapeptide. This suggests the possibility of a separate and distinct physiological role for the 2-8 heptapeptide, mediated via such A II binding sites. Invertebrate Physiology Occurrence of a Winter-Diapause in the Spider Pisaura mirabilis C.L. (Pisauridae) by the Action of Hormonal Treatments, by Jean-Claude Bonaric 1297 In the same experimental conditions, injections of ecdysterone induce moulting phenomena appearing after significantly different times according to whether the nymphs of Pisaura have been captured in October or January. The variable sensitivity of the spiders towards an equal amount of hormones allows us to confirm the occurrence of winter-diapause in this Arachnid. Insect Physiology Activity of Corpora Allata of Diapausing Females of Tetrix undulata (SWRB) (Orthoptera-Tetrigidae), by Michel Potas 1301 The implantation of one or two pairs of corpora allata of diapausing females in another diapausing female (two weeks old) induces vitellogenesis and laying of one, two or three egg-pods in a great number of females. The denervation of the corpora-allata of a diapausing female also induces vitellogenesis, These results suggest that corpora-allata of diapausing females are not active. The denervation induces the break of the inhibition travelling by the corpora-allata-cardiaca nerves or stimulates the corpora-allata. Endocrinology High Affinity Estradiol Binding in
experimental conditions, injections of ecdysterone induce moulting phenomena appearing after significantly different times according to whether the nymphs of Pisaura have been captured in October or January. The variable sensitivity of the spiders towards an equal amount of hormones allows us to confirm the occurrence of winter-diapause in this Arachnid. Insect Physiology Activity of Corpora Allata of Diapausing Females of Tetrix undulata (SWRB) (Orthoptera-Tetrigidae), by Michel Potas 1301 The implantation of one or two pairs of corpora allata of diapausing females in another diapausing female (two weeks old) induces vitellogenesis and laying of one, two or three egg-pods in a great number of females. The denervation of the corpora-allata of a diapausing female also induces vitellogenesis, These results suggest that corpora-allata of diapausing females are not active. The denervation induces the break of the inhibition travelling by the corpora-allata-cardiaca nerves or stimulates the corpora-allata. Endocrinology High Affinity Estradiol Binding in the Adrenal Cortex, by Pierre M. Martin, Claude Cochet, Pierre H. Rolland and Edmond M. Chambon: 1305 Evidence is presented demonstrating the presence of a high affinity (Ka 108 M-1), limited capacity (3-4 pmoles/mg protein) estradiol binder in the soluble fraction of the Bovine, Rat and Human adrenal cortex. The binding appears specific to the estrogen structure whereas C19 and C21 steroids do not bind. Upon sucrose density gradient centrifugation, the estradiol binder sedimented at 9 S at low ionic strength and was shifted to 4.5 S in the presence of 0.5 M KCl. This demonstration of a receptor-like moiety for estradiol in the adrenal cortex lends biochemical support to previous observations suggesting that adrenal cortex functions may be modulated by a direct effect of gonadal steroid hormones. Protein Synthesis Stimulation by ACTH on Adrenal Cells in Culture. Lack of Effect of Cyclic AMP. By Alice Dazord, Dominique Gallet and Jose M. Saez 1309 ACTH stimulates the incorporation of 14C-leucine into proteins of adrenal tumor cells in culture. This stimulation though about 20 % over controls is statistically significant. Cyclic AMP did not reproduce the stimulation observed with ACTH. Stimulation of LH and FSH Secretion and Increase of Testicular Weight
binding appears specific to the estrogen structure whereas C19 and C21 steroids do not bind. Upon sucrose density gradient centrifugation, the estradiol binder sedimented at 9 S at low ionic strength and was shifted to 4.5 S in the presence of 0.5 M KCl. This demonstration of a receptor-like moiety for estradiol in the adrenal cortex lends biochemical support to previous observations suggesting that adrenal cortex functions may be modulated by a direct effect of gonadal steroid hormones. Protein Synthesis Stimulation by ACTH on Adrenal Cells in Culture. Lack of Effect of Cyclic AMP. By Alice Dazord, Dominique Gallet and Jose M. Saez 1309 ACTH stimulates the incorporation of 14C-leucine into proteins of adrenal tumor cells in culture. This stimulation though about 20 % over controls is statistically significant. Cyclic AMP did not reproduce the stimulation observed with ACTH. Stimulation of LH and FSH Secretion and Increase of Testicular Weight at Birth, in the Rat, by Jacques Rofty, Philippe Corbier and Bernard Kerdelhue 1313 The evolutions of serum LH and FSH concentrations and of testicular weight have been measured in the newborn Rat before, during and up to 24 hrs. after birth. A sudden and transient increase of LH and FSH is observed at birth. The testicular weight rises rapidly between 2 and 4 hrs. Investigation of the Cortical Fields of Potential Produced by Weak Luminous Stimulation in the Adult Rabbit, by Madeleine Le Louis, Ginette Piat and Paul Laget 1317 On a chronic preparation of an adult Rabbit, the cortical visual evoked response, produced by a weak luminous stimulation activating only the scotopic system, is characterized by the suppression of the early surface-positive phase and by a lengthening of the latencies of the following deflection. The profile of the fields of potential corresponding to the various deflections in relation to the depth, has been investigated. Selective Representation of Vibrissae on Cerebellar Purkinje Cells through Climbing Fibers in the Rat. By Herbert Axelrad and Francis Crepel, 1321 In the Rat peripheral information from snout vibrissae are transmitted to cerebellar Purkinje cells of Crus I and II by both mossy and
FSH is observed at birth. The testicular weight rises rapidly between 2 and 4 hrs. Investigation of the Cortical Fields of Potential Produced by Weak Luminous Stimulation in the Adult Rabbit, by Madeleine Le Louis, Ginette Piat and Paul Laget 1317 On a chronic preparation of an adult Rabbit, the cortical visual evoked response, produced by a weak luminous stimulation activating only the scotopic system, is characterized by the suppression of the early surface-positive phase and by a lengthening of the latencies of the following deflection. The profile of the fields of potential corresponding to the various deflections in relation to the depth, has been investigated. Selective Representation of Vibrissae on Cerebellar Purkinje Cells through Climbing Fibers in the Rat. By Herbert Axelrad and Francis Crepel, 1321 In the Rat peripheral information from snout vibrissae are transmitted to cerebellar Purkinje cells of Crus I and II by both mossy and climbing fibers. The climbing fiber pathway is organized in a very precise manner, a particular Purkinje cell being preferentially activated by a single vibrissa. Model of Action of 4-Aminopyridine at the Level of Potassium "Channels" in the Squid Giant Axon (Loligo forbesi L.), by Hans Albers and Yves Pichon. 1325 Most of the effects of 4-aminopyridine on the potassium conductance of the giant axon of the Squid can be explained in terms of a simple model based on the physicochemical properties of the molecule and what is known about the structure of the potassium "channels". GABA Implication in Spatial Organization of Receptive Fields of the Ganglion Cells in the Frog Retina, by Nicole Bonaventure, Guy Roussel and Arlette Haehnel 1329 An histoautoradiographic study of the Chicken and Frog retinas was made following an intravitreal injection of tritiated GABA. This amino acid was especially fixed at the amacrine and horizontal cell level. It has been suggested (Werblin, 1974) that horizontal cells might be responsible for the spatial organization of the receptive fields of retinal ganglion cells. GABA could thus be involved in bringing about the centre-surround arrangement of the latter receptive fields. We have shown that picrotoxin, a specific GABA-antagonist, does
Most of the effects of 4-aminopyridine on the potassium conductance of the giant axon of the Squid can be explained in terms of a simple model based on the physicochemical properties of the molecule and what is known about the structure of the potassium "channels". GABA Implication in Spatial Organization of Receptive Fields of the Ganglion Cells in the Frog Retina, by Nicole Bonaventure, Guy Roussel and Arlette Haehnel 1329 An histoautoradiographic study of the Chicken and Frog retinas was made following an intravitreal injection of tritiated GABA. This amino acid was especially fixed at the amacrine and horizontal cell level. It has been suggested (Werblin, 1974) that horizontal cells might be responsible for the spatial organization of the receptive fields of retinal ganglion cells. GABA could thus be involved in bringing about the centre-surround arrangement of the latter receptive fields. We have shown that picrotoxin, a specific GABA-antagonist, does indeed provoke marked changes in the activity of retinal ganglion cells. It provokes a decrease in the response threshold, a facilitation of spontaneous activities, and a marked increase in the receptive field area of the ON-OFF ganglion cells: from 12° at the start, it reaches 24° under the effect of picrotoxin. Hypermasculinization of Anterior Pereiopods in the Male Seashore Woodlouse Ligia oceanica (L.) Relation to its Senescence-Linked Growth, by Hagieme Inagaki and Josette Berreur-Bonnenfant, 1333 The male woodlouse continuing its postpuberal growth gets overbreadth and so hypermasculinized anterior pereiopods I, II and III, notwithstanding vigor waning owing to its senescence. This hypermasculinization, which can be deemed to be an upshot of the discontinuous but always overpowering (oc > 1) allometric growth of anterior pereiopod breadth (measured on the propodic level), seems to come from two mechanisms: multiplication and size enlargement of epidermal and muscular cells of the appendix. The latter mechanism may be the only broadening factor of senescent woodlouse's anterior pereiopods. Antagonistic Action of Dietary Purine and Pyrimidine Nucleotides on Artemia salina Appendicular Morphogenesis, by Arantxa Hernández 1337 Dietary CMP excess increased the AMP concentration threshold inducing supernumerary gonopods. The morphogenetic action of AMP deficiency is no longer induced
picrotoxin. Hypermasculinization of Anterior Pereiopods in the Male Seashore Woodlouse Ligia oceanica (L.) Relation to its Senescence-Linked Growth, by Hagieme Inagaki and Josette Berreur-Bonnenfant, 1333 The male woodlouse continuing its postpuberal growth gets overbreadth and so hypermasculinized anterior pereiopods I, II and III, notwithstanding vigor waning owing to its senescence. This hypermasculinization, which can be deemed to be an upshot of the discontinuous but always overpowering (oc > 1) allometric growth of anterior pereiopod breadth (measured on the propodic level), seems to come from two mechanisms: multiplication and size enlargement of epidermal and muscular cells of the appendix. The latter mechanism may be the only broadening factor of senescent woodlouse's anterior pereiopods. Antagonistic Action of Dietary Purine and Pyrimidine Nucleotides on Artemia salina Appendicular Morphogenesis, by Arantxa Hernández 1337 Dietary CMP excess increased the AMP concentration threshold inducing supernumerary gonopods. The morphogenetic action of AMP deficiency is no longer induced in a medium lacking pyrimidine. Radioautographic Studies of in vitro RNA Synthesis in the Course of Oogenesis in Parascaris equorum (Parasite Nematode), by Joliette Starck and Jean Brun 1341 Technical elaboration of in vitro incubation of Parascaris equorum gonads with 3H-Uridine has permitted, for the first time, the study of RNA synthesis during oogenesis along the whole gonadic tube. In germ cells, oocytes in diakinesis (oviduct) and in division of maturation (uterus) show no label. On the contrary, oogonia and growing oocytes in ovary are labelled. RNA synthesis is always detected in all parietal cells but is more active in oviduct and uterus where the gonadic wall is particularly developed. Mutants of Escherichia coli Deficient in 4-Thiouridine, by Gilles Thomas and Alain Favre 1345 Thirteen different mutants of E. coli K12 selected for a reduced near ultraviolet-induced growth delay have been isolated. The t-RNAs extracted from these clones have all a depressed content of 4-thiouridine. One of these mutants, called Nop, has an almost negligible growth delay and completely lacks 4-thiouridine in its t-RNAs, Thus, it provides genetic proofs that 4-thiouridine is the chromophore for growth delay. Biochemistry Effects of Four Detergents Upon the Respiration of Isolated Rat Liver Mitochondria,