Etude de la mycoflore associée à Pyrus mamorensis Trabut, arbre endémique de la forêt de la Mamora (Maroc)

The investigations conducted in the Mamora forest have proved for the first time the presence of several species of fungi that infect different organs of Pyrus mamorensis Trabut endemic species of Morocco. Different species of fungi were isolated from lesions on leaves, flowers, buds and fruits. The foliar lesions contain a fungal complex: Aspergillus niger, A. fumigatus, Alternaria alternata, Cladosporium herbarum, Drechslera australiensis, Mucor sp, Rhizopus stolonifer, Epiccoccum nigrum, Trichoderma harzianum. Curvularia lunata and Aspergillus versicolor were isolated from the fruit. Fungi that are able to grow on the wood of the trunk of Pyrus mamorensis are: Hysterium pulicare, H. asymetricum and Trematosphaeria pertusa.Les prospections réalisées dans la forêt de la Mamora, ont révélé pour la première fois la présence de nombreux champignons qui infectent différents organes du poirier de Mamora (Pyrus mamorensis Trabut) espèce endémique du Maroc. Les isolements à partir des lésions au niveau des feuilles, fleurs, bourgeons et fruits ont permis d’identifier différentes espèces.Les lésions foliaires renferment un complexe fongique: Aspergillus niger, A. fumigatus, Alternaria alternata, Cladosporium herbarum, Drechslera australiensis, Mucor sp., Rhizopus stolonifer, Epiccoccum nigrum, Trichoderma harzianum. Curvularia lunata et Aspergillus versicolor ont été isolés à partir du fruit. Les champignons qui sont capables de se développer sur le bois du tronc de Pyrus mamorensis, sont : Hysterium pulicare, H. asymetricum et Trematosphaeria pertusa

Neurotoxocarosis Neurotoxocaríase

Infection of humans with embryonated eggs of Toxocara canis (larva migrans) remains asymptomatic, or results in covert or common toxocarosis, visceral larva migrans syndrome, or ophthalmologic and neurologic impairment. Though neurological manifestations of Toxocara canis larvae are rare, toxocarosis remains an important differential diagnosis of various neurological disorders. Manifestations of the central nervous system are dementia, meningo-encephalitis, myelitis, cerebral vasculitis, epilepsy, or optic neuritis. Manifestations of the peripheral nervous system comprise radiculitis, affection of cranial nerves, or musculo-skeletal involvement. If toxocarosis is neglected, ignored, or refused as a differential of these abnormalities, it may be easily overlooked for years. Early recognition and treatment of the infection is, however, of paramount importance since it reduces morbidity and mortality and the risk of secondary superinfection. Like the visceral manifestations, neurological manifestations of toxocarosis are treated by benzimidazole components, most frequently albendazole, corticosteroids, or diethylcarbamazine. If detected and treated early, the prognosis of neurological manifestations of toxocarosis is favourable.<br>Infecção humana com ovos embrionados de Toxocara canis (larva migrans) pode permanecer assintomática ou resultar em toxocaríase acentuada ou comum, síndrome da larva migrans visceral ou manifestações neurológicas ou oftalmológicas. Embora manifestações neurológicas das larvas de Toxocara canis sejam raras, a toxocaríase permanece como importante diagnóstico diferencial de várias manifestações neurológicas. Manifestações do sistema nervoso central são demência, meningoencefalite, mielite, vasculite cerebral, epilepsia, ou neurite ótica. Manifestações do sistema nervoso periférico compreendem radiculite, agressão de nervos cranianos ou envolvimento músculo-esquelético. Se a toxocaríase é negligenciada, ignorada, ou recusada como diferencial destas anormalidades, ela pode ser facilmente desapercebida por anos. Reconhecimento precoce de tratamento da infecção é portanto de fundamental importância uma vez que reduz sua morbidade e mortalidade e o risco de superinfecção secundária. Da mesma maneira que as manifestações viscerais, as neurológicas são tratadas por benzimidazólicos, mais freqüentemente albendazole, corticosteróides ou dietilcarbamazine. Se detectado e tratado precocemente, o prognóstico das manifestações neurológicas da toxocaríase é favorável