Effetti delle modificazioni artificiali del microclima sulla qualità dell’uva della cv ‘Pinot nero’

Sono stati studiati gli effetti, sulla qualità dell’uva della cv Pinot nero, di defogliazione della zona dei grappoli, effettuata all’allegagione e all’invaiatura, e della copertura della zona dei grappoli con reti di diversi strati e mantenuta sulla fascia produttiva dall’allegagione all’invaiatura, dall’allegagione alla raccolta e dall’invaiatura alla raccolta. I risultati hanno mostrato che gli zuccheri sono diminuiti in relazione alla riduzione precoce di superficie fogliare. Una defogliazione effettuata ad allegagione completata ha determinato un aumento di antociani e flavonoidi. Tuttavia la ricerca ha messo in evidenza il ruolo significativo della temperatura sulla sintesi degli anto…

Antitumor effects of the grape stilbenes resveratrol and piceatannol on multidrug and apoptosis resistant HL60 leukemia cells"

Low NETosis Induced in Anaplasma phagocytophilum-Infected Cells.

Anaplasma phagocytophilum are obligatory intracellular bacteria that preferentially replicate inside leukocytes by utilizing biological compounds and processes of these primary host defensive cells. In this study, bioinformatics analysis was conducted to further characterize A. phagocytophilum– host interactions using the neutrophil-like model of human Caucasian promyelocytic leukemia HL60 cells. We detected a hierarchy of molecules involved in A. phagocytophilum-HL60 interactions with overrepresentation in infected human cells of proteins involved in the reactive oxygen species (ROS) pathway and cell surface monocyte markers. As A. phagocytophilum phagocytosis by neutrophils is inhibited, …

“Effects of combretastatin analogues on leukemic cell lines and normal hemopoietic cells”

Effetti antileucemici di due stilbeni identificati in uve provenienti da vigneti affetti da peronospora e Botrytis cinerea

Incidence of grapevine moth Lobesia botrana (Den. & Schif.) on occurrence of ochratoxin A in grapes

Observations were carried out in an organic vineyard (cv malvasia di candia), at salemi (sicily), during 2006-2007, in order to verify the influence of grapevine moth lobesia botrana (den. & schif.) on presence of ochratoxin a (ota) in bunches at harvest time. a percentage of 12.98% of bunches were attacked by grape moth during 2006, while 8.65% of them were infected by grey mould and sour bunch rot (5.77% and 2.88% respectivelly). analyses carried out on 12.98% infested bunches, showed a level of 20 μg/kg of ota, while on intact samples 0.04 μg/kg of toxin was registered. During 2007, infestation of bunches by grape moth was very low (2.05%), due to the particular climatic conditions, and …