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Academic literature on the topic 'Germination – Effets de l'éthylène'
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Journal articles on the topic "Germination – Effets de l'éthylène"
Ndjoumoui, Charles Amele, Mewounko Augustin, Misse Alain Christian, and Chimi Djomo Cedric. "Effets de la durée de conservation et du prétraitement sur les paramètres de germination des graines du corossolier (Annona muricata L.) au Cameroun." Journal of the Cameroon Academy of Sciences 18, no. 1 (August 16, 2022): 285–94. http://dx.doi.org/10.4314/jcas.v18i1.1.
Full textBamba, N’golo, Noufou Doudjo Ouattara, Djézou Konan, Adama Bakayoko, and Fezan Honora Tra Bi. "Effets de cinq prétraitements sur la germination du vène (Pterocarpus erinaceus Poir., Fabaceae) dans la Réserve du Haut Bandama (Côte d'Ivoire)." European Scientific Journal, ESJ 14, no. 30 (October 31, 2018): 438. http://dx.doi.org/10.19044/esj.2018.v14n30p438.
Full textSoura, Hervé B., Simplice L. Gnancadja-Andre, Martine Zandjanakou-Tachin, Christophe Gandonou, and Farid A. K. Baba-Moussa. "Etude de l’effet de Cercospora oryzae Miyake sur la qualite des grains du riz et le developpement de la ternissure." International Journal of Biological and Chemical Sciences 14, no. 2 (May 11, 2020): 440–51. http://dx.doi.org/10.4314/ijbcs.v14i2.11.
Full textNdiaye, A., E. Faya, and MA Touré. "Effets du stress salin sur la germination des graines de Gossypium hirsutum L." Journal of Applied Biosciences 80, no. 1 (September 25, 2014): 7081. http://dx.doi.org/10.4314/jab.v80i1.5.
Full textOukabli, Ahmed, Ali Lansari, Walali Loudiyi, and Abdelhadi Abousalim. "Effets endogamiques sur la germination et la croissance de semis du cultivar autocompatible Tuono (Prunus dulcis)." Fruits 56, no. 3 (May 2001): 197–205. http://dx.doi.org/10.1051/fruits:2001123.
Full textMedjebeur, Djamel, Lynda Hannachi, Samira Ali-Ahmed, Boussad Metna, and Aïssa Abdelguerfi. "Effets de la salinité et du stress hydrique sur la germination des graines de Hedysarum flexuosum (Fabaceae)." Revue d'Écologie (La Terre et La Vie) 73, no. 3 (2018): 318–29. http://dx.doi.org/10.3406/revec.2018.1938.
Full textOUÉDRAOGO, Pauline, Salifou TRAORÉ, Blandine Marie Ivette NACOULMA, Édith DABOUE, and Babou André BATIONO. "Dissémination et germination de semences issues des fèces de bétail au Sahel du Burkina Faso." BOIS & FORETS DES TROPIQUES 350 (January 4, 2022): 15–27. http://dx.doi.org/10.19182/bft2021.350.a36826.
Full textHaddioui, A., M. Difi, and B. Nedjimi. "Effets des Differents Pretraitements sur la Germination des Semences de Pin d’Alep ( Pinus Halepensis Mill. ) = Effects of Different Pretraitements on the Germination of Aleppo Pine Seeds ( Pinus Halepensis Mill. )." Revue des Bioressources 4, no. 2 (2014): 40–45. http://dx.doi.org/10.12816/0025671.
Full textGARBA, Amadou, Abdou AMANI, Saley KARIM, Boubé MOROU, Abdoul Kader Soumaila SINA, and Ali MAHAMANE. "Effets des prétraitements sur la germination des graines de Tamarindus indica L. (Fabaceae-Ceasalpinoideae) en pépinière : proposition pour une restauration de l’espèce au sahel." Journal of Applied Biosciences 149 (May 31, 2020): 15362–78. http://dx.doi.org/10.35759/jabs.149.10.
Full textBouredja, Nadia, Zoheir Mehdadi, Fatima Zohra Bendimered, and Kouider Chérifi. "Effets de quelques prétraitements physico—chimiques sur la levée de l'inhibition tégumentaire des graines deRetama monospermaBoiss. et recherches des conditions thermiques optimales de germination." Acta Botanica Gallica 158, no. 4 (January 2011): 633–43. http://dx.doi.org/10.1080/12538078.2011.10516300.
Full textDissertations / Theses on the topic "Germination – Effets de l'éthylène"
Pirrello, Julien. "Caractérisation moléculaire et physiologique des facteurs de réponse à l’éthylène (ERF) chez la tomate (Solanum lycopersicon)." Toulouse, INPT, 2008. http://ethesis.inp-toulouse.fr/archive/00001196/.
Full textThe phytohormone ethylene controls many physiological aspects of the plant development and stress response. ERFs (Ethylene Response Factors) are the last transcription factors of the ethylene transduction pathway. By their number, they are good candidates to explain the diversity of ethylene response. In this work 28 tomato ERFs have been isolated, characterized and renamed. DNA/protein interaction studies indicate that flanking regions of the ciselement are decisive for the GCC/ERF binding. Transient expression studies of ERFs demonstrated that the transcriptional activity is independent of the class they belong to. The study of their expression pattern revealed a specific response for some ERFs during the vegetative growth whereas others are preferentially expressed in fruit, from fruit set to ripening. The physiological significance of the ERFs is addressed through two examples. First, over-expression of the SlERF2 gene in the tomato resulted in premature seed germination in which MANNANASE2, a germination marker, is dramatically enhanced in the transgenic seeds. Second, over-expression of AtERF13 fused to a dominant repressor domain induces a partial insensitivity to ethylene and hypersensitivity to salt stress
Jaimes, Miranda Fabiola. "La régulation transcriptionnelle dépendant de l'éthylène : Caractérisation fonctionnelle d'un cofacteur transcriptionnel du type MBF1 et d'un facteur de transcription de la famille des ERF chez la tomate." Toulouse, INPT, 2006. http://ethesis.inp-toulouse.fr/archive/00000242/.
Full textWang, Xu. "The role of ethylene and the N-end rule pathway in the regulation of Arabidopsis seed dormancy." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS421.
Full textEthylene as chilling and GA3, was able to improve the germination of primary dormant seeds of Arabidopsis thaliana (Col-0) at 25 °C in darkness. Chilling did not require EIN4, ETR1 and EIN2 involved in ethylene signaling to break seed dormancy while GA required ETR1.The improving effect of ethylene in seed germination is EIN4 independent, and is associated with a decrease in ABA/GA ratio and a down-regulation of DELLAs and ABI5 genes related to GA and ABA signaling, respectively. The mutant affected in the proteolytic N-end rule pathway, prt6, was insensitive to ethylene in seed germination evidenced that PRT6 was involved in dormancy release by ethylene, and this insensitivity was related to a crosstalk with ABA/GAs. The substrates of the N-end rule pathway, ERFVIIs (HRE1, HRE2, RAP2.2, RAP2.3, and RAP2.12), might result in the insensitivity with an increased germination in prt6rap2.2rap2.3rap2.12 rather than in prt6hre1hre2, which also indicated that the 3 RAPs acted downstream of PRT6, while the 2 HREs acted upstream of PRT6. Ethylene reduced the transcript expression of the 3 RAPs in Col-0, but the 3 RAPs were maintained or induced by ethylene in prt6. Besides, HRE2 was up-regulated in prt6 seeds, but it was down-regulated in prt6rap2.2rap2.3rap2.12, suggesting that the 3 RAPs might stimulate the expression of HRE2. Ethylene differently changed the seed proteome of Col and prt6 with 587 and 30 significant proteins, respectively. The functional class scoring analysis identified one biological process, response to hypoxia, which was distinct in prt6, however the insensitivity of prt6 to ethylene was independent of ROS production or respiration intensity
Jurdak, Rana. "Rôle de la signalisation oxydative et du métabolisme des ARNm dans la réponse des semences d’Arabidopsis thaliana à l’éthylène." Electronic Thesis or Diss., Sorbonne université, 2021. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2021SORUS014.pdf.
Full textSeed dormancy is a phenomenon that is directly responsible for the growth and dynamics of plants within ecosystems. However, the molecular mechanisms involved in its regulation remain poorly understood. We took advantage of the beneficial effect of ethylene on the germination of dormant Arabidopsis thaliana seeds for deciphering the mechanisms of ROS production and its effects during germination. We show that mitochondria are the primary site of ROS production in germinating seeds and that this ROS production triggers a crosstalk between the mitochondria and the nucleus, as confirmed by the induction of mitochondrial retrograde signaling marker genes. We demonstrate that the response to ethylene differed from other dormancy release treatments such as treatment with gibberellic acid, cold stratification and exposure to light where ROS were detectable in the mitochondria in the early hours of imbibition before localizing in peroxisomes. In all treatments, ROS were detected in the nucleus pointing to an important role of nuclear ROS in the progress towards germination. We also paid attention to the dynamics of RNA metabolism in the same process. We show that a synchronized activation of transcription, association of transcripts with polysomes and mRNA decay is associated with the beneficial effect of ethylene on seed germination. The RNAseq data enabled the identification of many regulators of this process. We demonstrate that the shift of the hormonal balance ABA/GA towards GA signalling and germination requires a multilevel and concerted effect on all levels of mRNA fate, from transcription to decay
Chaves, Ana. "Caractérisation fonctionnelle d'un facteur d'élongation de la traduction mitochondriale (ER49) exprimé au cours de la maturation de la tomate (Lycopersicon esculentum, Mill. )." Toulouse, INPT, 2001. http://www.theses.fr/2001INPT008A.
Full textJones, Brian. "La régulation transcriptionelle au cours des stades préclimactériques chez la tomate : isolement et caractérisation fonctionnelle des facteurs de transcription de l'auxine et de l'éthylène." Toulouse, INPT, 2000. http://www.theses.fr/2000INPT019A.
Full textGallois, Richard. "Métabolisme des nucléotides adényliques dans le latex de l'"Hevea brasiliensis". Effets de l'éthylène." Montpellier 2, 1998. http://www.theses.fr/1998MON20116.
Full textEl-Kereamy, Ashraf. "La maturation du raisin : rôle de l'éthanol et de l'éthylène sur l'accumulation d'anthocyanes." Toulouse, INPT, 2003. http://www.theses.fr/2003INPT002A.
Full textEl, Sharkawi Islam. "Comparaison de la régulation de l'expression de gènes au cours de la maturation de poires avec ou sans besoin en froid." Toulouse, INPT, 2001. http://www.theses.fr/2001INPT004A.
Full textBustamante, José. "Etude de quelques gènes codant pour les récepteurs d’éthylène chez les caféiers." Montpellier, ENSA, 2007. http://www.theses.fr/2007ENSA0001.
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