Publications by authors named "H E Fakhfakh"

To manage the adverse effects of garbage pollution and avoid using chemicals, a natural extract of seafood shells was obtained and explored for its beneficial role. Physical characterization highlighted that its active compounds correspond to chitin and its derivative, chitosan. The ability of the extracted biostimulant to foster tomato tolerance was tested on drought-stressed plants.

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  • Post-traumatic rupture of the posterior urethra can severely affect young patients' urinary and erectile functions, making its management a topic of debate between early endoscopic realignment and other methods like suprapubic catheterization.
  • A study reviewed 26 patients who underwent early endoscopic realignment for complete posterior urethral rupture from 2010 to 2020, focusing on preoperative, perioperative, and postoperative outcomes.
  • The results showed that while some patients developed urethral stricture, the majority had successful micturition without significant complications, indicating that early endoscopic realignment can be an effective treatment option.
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  • Pheochromocytoma is a rare tumor associated with pregnancy that can cause severe complications, including life-threatening hypertension due to excessive catecholamines.
  • A 37-year-old woman was diagnosed with this condition at 20 weeks of pregnancy and successfully underwent surgery at 23 weeks, with careful management from a medical team.
  • Early diagnosis and a coordinated approach are essential for pregnant women with severe hypertension to prevent negative outcomes during delivery.
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Guanosine pentaphosphate and tetraphosphate (together referred to as ppGpp) are hyperphosphorylated nucleotides found in bacteria and the chloroplasts of plants and algae. In plants and algae artificial ppGpp accumulation can inhibit chloroplast gene expression, and influence photosynthesis, nutrient remobilization, growth, and immunity. However, it is so far unknown whether ppGpp is required for abiotic stress acclimation in plants.

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Tomato spotted wilt virus (TSWV) causes severe losses of tomato crops worldwide. To cope dynamically with such a threat, plants deploy strategies acting at the molecular and the epigenetic levels. We found that tomato symptoms progress in a specific-genotype-manner upon TSWV infection.

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