Titre : Arabidopsis

Arabidopsis : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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"acceptedAnswer": { "@type": "Answer", "text": "Des analyses génétiques et des observations morphologiques sont courantes." } }, { "@type": "Question", "name": "Arabidopsis est-elle une plante invasive ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, Arabidopsis est généralement cultivée comme plante modèle en laboratoire." } }, { "@type": "Question", "name": "Quels milieux de culture pour Arabidopsis ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Elle préfère un sol bien drainé et riche en nutriments, souvent en milieu contrôlé." } }, { "@type": "Question", "name": "Comment évaluer la santé d'Arabidopsis ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'observation de la couleur des feuilles et de la croissance est essentielle." } }, { "@type": "Question", "name": "Quels signes de stress chez Arabidopsis ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des feuilles jaunies ou flétries indiquent un stress hydrique ou nutritif." } }, { "@type": "Question", "name": "Comment reconnaître une maladie chez Arabidopsis ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Des taches sur les feuilles ou une croissance anormale peuvent signaler une maladie." } }, { "@type": "Question", "name": "Arabidopsis peut-elle montrer des symptômes de carence ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des carences en nutriments entraînent des symptômes spécifiques comme le jaunissement." } }, { "@type": "Question", "name": "Quels symptômes d'infestation par des insectes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des trous dans les feuilles ou des déformations peuvent indiquer une infestation." } }, { "@type": "Question", "name": "Comment détecter des infections fongiques ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des moisissures ou des taches noires sur les feuilles sont des signes d'infection fongique." } }, { "@type": "Question", "name": "Comment prévenir les maladies chez Arabidopsis ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une bonne rotation des cultures et une hygiène des outils sont essentielles." } }, { "@type": "Question", "name": "Quelles pratiques pour éviter les carences ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Un sol bien amendé et des analyses régulières aident à prévenir les carences." } }, { "@type": "Question", "name": "Comment protéger Arabidopsis des ravageurs ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des filets anti-insectes et des plantes compagnes peut réduire les infestations." } }, { "@type": "Question", "name": "Quelles conditions de culture favorisent Arabidopsis ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Un environnement contrôlé avec lumière adéquate et température stable est idéal." } }, { "@type": "Question", "name": "Comment éviter le stress environnemental ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les fluctuations extrêmes de température et d'humidité aide à prévenir le stress." } }, { "@type": "Question", "name": "Quels traitements pour les maladies d'Arabidopsis ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des fongicides et des insecticides spécifiques peuvent être utilisés selon la maladie." } }, { "@type": "Question", "name": "Comment améliorer la nutrition d'Arabidopsis ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "L'application d'engrais équilibrés peut corriger les carences nutritionnelles." } }, { "@type": "Question", "name": "Quelles méthodes de lutte contre les ravageurs ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La lutte intégrée, incluant des prédateurs naturels, est efficace contre les ravageurs." } }, { "@type": "Question", "name": "Comment traiter le stress hydrique d'Arabidopsis ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Un arrosage régulier et un paillage peuvent aider à maintenir l'humidité du sol." } }, { "@type": "Question", "name": "Des traitements biologiques pour Arabidopsis ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "L'utilisation de microorganismes bénéfiques peut améliorer la santé des plantes." } }, { "@type": "Question", "name": "Quelles complications liées aux maladies d'Arabidopsis ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies non traitées peuvent entraîner la mort de la plante ou la perte de récolte." } }, { "@type": "Question", "name": "Comment les ravageurs affectent-ils Arabidopsis ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les ravageurs peuvent réduire la photosynthèse et affaiblir la plante, affectant sa croissance." } }, { "@type": "Question", "name": "Quelles conséquences d'un stress hydrique prolongé ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un stress hydrique prolongé peut entraîner un flétrissement et une mort prématurée." } }, { "@type": "Question", "name": "Comment les infections fongiques impactent-elles Arabidopsis ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les infections fongiques peuvent causer des lésions foliaires et réduire la vigueur." } }, { "@type": "Question", "name": "Quelles sont les répercussions d'une mauvaise nutrition ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une nutrition inadéquate peut entraîner un développement stunted et des symptômes de carence." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de maladies ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'humidité excessive et le manque de circulation d'air favorisent les maladies." } }, { "@type": "Question", "name": "Comment le sol affecte-t-il Arabidopsis ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Un sol pauvre en nutriments ou mal drainé augmente le risque de stress et de maladies." } }, { "@type": "Question", "name": "Quels sont les risques liés aux changements climatiques ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les variations climatiques peuvent affecter la croissance et la résistance aux maladies." } }, { "@type": "Question", "name": "Comment les pratiques agricoles influencent-elles Arabidopsis ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Des pratiques inappropriées, comme la monoculture, augmentent le risque de maladies." } }, { "@type": "Question", "name": "Quels sont les risques d'infestation par des insectes ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Une négligence dans la surveillance des cultures peut entraîner des infestations graves." } } ] } ] }

Sources (10000 au total)

A diffusion tensor imaging analysis of white matter microstructures in non-operated craniosynostosis patients.

In 7 to 15-year-old operated syndromic craniosynostosis patients, we have shown the presence of microstructural anomalies in brain white matter by using DTI. To learn more about the cause of these ano... DTI datasets of 51 non-operated patients with syndromic craniosynostosis with a median [IQR] age of 0.40 [0.25] years were compared with 17 control subjects with a median of 1.20 [0.85] years. Major w... ʎ... Syndromic craniosynostosis shows not to be a significant factor influencing the major white matter tracts. Enlargement of the ventricles show to be a significant factor on radial diffusivity in the tr... MEC-2014-461....

High-resolution hippocampal diffusion tensor imaging of mesial temporal sclerosis in refractory epilepsy.

We explore the possibility of using diffusion tensor imaging (DTI) and neurite orientation dispersion and density imaging (NODDI) to discern microstructural abnormalities in the hippocampus indicative... We analyzed data from 57 patients with refractory epilepsy who previously underwent 3.0-T magnetic resonance imaging (MRI) including DTI as a standard part of presurgical workup. We collected informat... By examining diffusion characteristics among subfields in the final diagnostic categories, we found lower orientation dispersion indices and elevated axial diffusivity in the dentate gyrus in MTS comp... The results suggest that diffusion metric analysis at the subfield level, especially in dentate gyrus and CA1, maybe useful for clinical confirmation of MTS....

Grading meningiomas with diffusion metrics: a comparison between diffusion kurtosis, mean apparent propagator, neurite orientation dispersion and density, and diffusion tensor imaging.

To compare the histogram features of multiple diffusion metrics in predicting the grade and cellular proliferation of meningiomas.... Diffusion spectrum imaging was performed in 122 meningiomas (30 males, 13-84 years), which were divided into 31 high-grade meningiomas (HGMs, grades 2 and 3) and 91 low-grade meningiomas (LGMs, grade ... The DKI_AK (axial kurtosis) maximum, DKI_AK range, MAP_RTPP (return-to-plane probability) maximum, MAP_RTPP range, NODDI_ICVF (intracellular volume fraction) range, and NODDI_ICVF maximum values were ... Whole tumour histogram analyses of the multiple diffusion metrics from four diffusion models are promising methods in grading meningiomas. The DTI model has similar diagnostic performance compared wit... • Whole tumour histogram analyses of multiple diffusion models are feasible for grading meningiomas. • The DKI, MAP, and NODDI metrics are weakly associated with the Ki-67 proliferation status. • DTI ...

Diffusion tensor and kurtosis imaging reveal microstructural changes in the trigeminal nerves of patients with trigeminal neuralgia.

To evaluate the use of diffusion tensor imaging (DTI) and diffusion kurtosis imaging (DKI) for detection of microstructural changes in the trigeminal nerves of trigeminal neuralgia (TN) patients.... Forty TN patients and 40 healthy controls were examined using 3 T magnetic resonance imaging (MRI) to evaluate DTI and DKI parameters in trigeminal nerves. One-way ANOVA was used to test the differenc... Compared to the unaffected sides and controls, the FA, MK, and Kr of the affected sides of TN patients were significantly reduced, while ADC was significantly increased (p < 0.05). The diagnostic effi... DTI and DKI allowed detection of microstructural changes in TN-affected trigeminal nerves. FA DR was the best independent predictor of microstructural changes in TN.... Both DTI and DKI can be used for noninvasive quantitative evaluation of the changes in the microstructure of the cisternal segment of the cranial nerves in clinical practice.... • Diffusion tensor imaging (DTI) can be used to evaluate the in vivo integrity of white matter and nerve fiber pathway. • Diffusion kurtosis imaging (DKI) has been shown to be considerable sensitive t...