Présence de Siphonatrophia cupressi (Hemiptera: Aphididae) en Tunisie          下载免费PDF全文

M. Ben Halima‐Kamel  L. Mdellel 《EPPO Bulletin》2017,47(3):549-550

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Grafting on resistant interstocks reduces scion susceptibility to pear psylla,Cacopsylla bidens          下载免费PDF全文

Liora Shaltiel‐Harpaz  Yoram Gerchman  Mwafaq Ibdah  Rike Kedoshim  Dor Rachmany  Kamel Hatib  Irit Bar‐Ya'akov  Victoria Soroker  Doron Holland 《Pest management science》2018,74(3):617-626

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Occurrence of target‐site resistance to neonicotinoids in the aphid Myzus persicae in Tunisia,and its status on different host plants          下载免费PDF全文

Kamel Charaabi  Sonia Boukhris‐Bouhachem  Mohamed Makni  Ian Denholm 《Pest management science》2018,74(6):1297-1301

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Quantitative and qualitative analysis of alkaloids composition in the seeds of a white lupin (<Emphasis Type="Italic">Lupinus albus</Emphasis> L.) collection     

Magdalena Kroc  Wojciech Rybiński  Paulina Wilczura  Katarzyna Kamel  Zygmunt Kaczmarek  Paweł Barzyk  Wojciech Święcicki 《Genetic Resources and Crop Evolution》2017,64(8):1853-1860

White lupin (Lupinus albus L.) has unexploited potential as a crop plant due to its high seed yield as well as protein and oil content in seeds. Well-characterized collections of gene resources are very important for breeding as a source of genetic variation. This paper presents the results of analyses for total content and qualitative composition of alkaloids in seeds of 367 L. albus accessions from the Polish Genebank. Accessions were divided into four classes of origin: wild collected material, land races, breeding lines, and cultivars. Apart from the expected broad variation as well as strong differentiation in the alkaloid content, a clear influence of domestication was observed. This was shown as an apparent decrease in the alkaloid content in breeding lines and cultivars classes. The total alkaloid content varies from 0.02 to 12.73% of the seed dry weight. Six major alkaloids (abundance >1%) were revealed: lupanine (28.22–94.49%, mean 76.06% in total content), 13-hydroxylupanine (0.10–32.78%, mean 8.23%), multiflorine (0.00–21.67%, mean 5.52%), albine (0.00–18.55%, mean 4.48%), angustifoline (0.24–12.14%, mean 2.07%), 11,12-seco-12,13-didehydromultiflorine (0.00–12.28%, mean 1.74%). Owing to its abundance, lupanine was found to be the most closely correlated to the total alkaloid content.  相似文献   

Emergence de Ceratitis capitata (Diptera: Tephritidae) sur culture protégée de piment (Solanaceae) en zone subsaharienne (Algérie)     

O. Mostefaoui  M. Sekour  V. Balmès  M. Ben Halima Kamel 《EPPO Bulletin》2020,50(3):572-575

In Algeria, the Mediterranean fruit fly has long been associated with fruit production in coastal regions with a temperate climate. But with climate change, especially in autumn and spring, this fly has spread and attacks other host plants. The medfly appeared in the sub-Saharan area of Souf region (Algeria) on chilli pepper (Capsicum annuum) under protected crops and causes significant damage.  相似文献   

First report of Zaprionus indianus and Z. tuberculatus (Diptera: Drosophilidae) in Tunisia     

M. Ben Halima Kamel  Z. Ben Cheik  S. Zouari  L. Mdellel  V. Balmès 《EPPO Bulletin》2020,50(2):307-310

In October 2019, unusual damage was observed on Carissa macrocarpa (Apocynaceae) fruit at the ornamental nursery of the Higher Agronomic Institute (ISA CM), Chott Mariem (Sousse, Tunisia). Samples of fruit were collected and brought to the laboratory for observation and rearing. After a few days, adult flies emerged from infested fruit. Zaprionus indianus Gupta, Z. tuberculatus Malloch (Diptera Drosophilidae) and Ceratitis capitata Wiedemann (Diptera, Tephritidae) were identified morphologically. Information on the morphology, distribution and ecology of the two Zaprionus species are provided. This is the first record of Z. indianus and Z. tuberculatus in Tunisia.  相似文献   

Mitochondrial Targeting in an Anti-Austerity Approach Involving Bioactive Metabolites Isolated from the Marine-Derived Fungus Aspergillus sp.     

Waleed A Abdel-Naime  Atsushi Kimishima  Andi Setiawan  John Refaat Fahim  Mostafa A. Fouad  Mohamed Salah Kamel  Masayoshi Arai 《Marine drugs》2020,18(11)

The tumor microenvironment is a nutrient-deficient region that alters the cancer cell phenotype to aggravate cancer pathology. The ability of cancer cells to tolerate nutrient starvation is referred to as austerity. Compounds that preferentially target cancer cells growing under nutrient-deficient conditions are being employed in anti-austerity approaches in anticancer drug discovery. Therefore, in this study, we investigated physcion (1) and 2-(2′,3-epoxy-1′,3′,5′-heptatrienyl)-6-hydroxy-5-(3-methyl-2-butenyl) benzaldehyde (2) obtained from a culture extract of the marine-derived fungus Aspergillus species (sp.), which were isolated from an unidentified marine sponge, as anti-austerity agents. The chemical structures of 1 and 2 were determined via spectroscopic analysis and comparison with authentic spectral data. Compounds 1 and 2 exhibited selective cytotoxicity against human pancreatic carcinoma PANC-1 cells cultured under glucose-deficient conditions, with IC₅₀ values of 6.0 and 1.7 µM, respectively. Compound 2 showed higher selective growth-inhibitory activity (505-fold higher) under glucose-deficient conditions than under general culture conditions. Further analysis of the mechanism underlying the anti-austerity activity of compounds 1 and 2 against glucose-starved PANC-1 cells suggested that they inhibited the mitochondrial electron transport chain.  相似文献   

Cystiphora sonchi (Vallot, 1827) (Diptera: Cecidomyiidae), first record for Tunisia and Africa     

M. Ben Halima Kamel  L. Mdellel  S. Zouari  V. Balmes 《EPPO Bulletin》2019,49(3):597-598

During 2017 and 2018, from June to October, leaf galls were observed for the first time on Sonchus oleraceus L. (Asteraceae), sow thistle, in Akouda‐Sousse, Tunisia. Leaves with galls were collected and brought to the laboratory. After a few days, adults emerged from the leaf galls. Morphological identification showed the emerged gall midges to be Cystiphora sonchi (Vallot, 1827) (Diptera: Cecidomyiidae). This is the first record of this species in Tunisia and Africa.  相似文献   

Regional and maturational effects on essential oils yields and composition of coriander (Coriandrum sativum L.) fruits     

Kamel Msaada  Mouna Ben Taarit  Karim Hosni  Mohamed Hammami  Brahim Marzouk 《Scientia Horticulturae》2009

The composition of volatile components of the essential oils extracted from fruits of coriander (Coriandrum sativum L.) growing in two different Tunisian regions in both Menzel Temime and Borj El Ifaa was studied by GC and GC–MS. The highest oil yields were observed at final stages of maturity: 0.324 ± 0.09% and 0.327 ± 0.08%, in Menzel Temime and Borj El Ifaa, respectively. Essential oil yields were highly (P < 0.001) affected by the growing region, stages of maturity and their interaction. Essential oil composition changed significantly (P < 0.05) among the different stages of maturity and growing region. Linalool and geranyl acetate were the main compounds at full fruit maturity in the two studied regions. Growing region, stages of maturity and their interaction had a strong effect (P < 0.001) on 35 compounds. α-Pinene, sabinene, limonene, γ-terpinene, cis-dihydrocarvone and geranial were insensible to the regional factor.  相似文献