^ШХР: *https://onlinelibrary.wiley.com/loi/15707458
(https://onlinelibrary.wiley.com/loi/15707458)
^АВТ: Shaurub E.-S.H.; Reyad N.F.; Mohamed A.A.
^ЗГЛ: Pathogen-mediated modulation of host metabolism and
trophic interactions in Spodoptera littoralis larvae
[Патоген-опосредованная модуляция метаболизма и трофических
связей у гусениц совки Spodoptera littoralis (Lepidoptera:
Noctuidae): влияние энтомопатогенных нематод Steinernema
riobrave, Heterorhabditis bacteriophora и энтомопатогенного
гриба Beauveria bassiana на ферментную активность и физиологию
питания гусениц. (Египет)]
^ВЫХ: Entomologia Experimentalis et Applicata, 2020; Vol.168,N
12. - P. 956-966
^ДАТ: 2020
^ПРМ: Bibliogr.:p.964-966
+Реферат:
^РЕФ: The success and sustainability of entomopathogens in insect control depend on their stress potential and ability to modulate certain physiological aspects of their insect hosts. In the present study, newly moulted fourth instars of Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae) were incubated for 24 h with the median lethal dose (LD50) of Steinernema riobrave, Heterorhabditis bacteriophora, or Beauveria bassiana to determine their effects on certain metabolic activities and nutritional physiology compared to those of uninfected (control) larvae. Infection decreased total protein, lipid, and carbohydrate contents. Carbohydrase activity was found to be pathogen and enzyme dependent, with S. riobrave and H. bacteriophora infection increasing amylase, invertase, and trehalase activities. Beauveria bassiana infection decreased amylase and invertase activities but increased that of trehalase. Infection with the three pathogens also enhanced phosphatase activity. All pathogens reduced transaminase activity. Changes in the nutritional indices varied not only with the variation in the candidate entomopathogen and surviving instar but also with the variation in the age of the same instar, with a profound change in late last instars (3-day-old sixth instars). The link between the metabolic activities and nutritional indices was discussed. Overall, the entomopathogen-host interaction appears to be primarily nutritional. The pleiotropic effects of the median lethal infections on the insect pest might eventually help in the biological control potential of the entomopathogens tested.
aref1
^TRN: 1919135
^ВИД: Статья из книги
^ЯЗК: Английский
+Индексирование:
^РУБ: 68_37_29_17_28; 68_37_29_13_17
^УДК: 632.786; 632.937.1
^ТЕР: SPODOPTERA LITTORALIS [HADENA LITTORALIS; NOCTUA
GOSSYPII; PRODENIA LITTORALIS; PRODENIA RETINA; PRODENIA
TESTACEOIDES; СОВКА ХЛОПКОВАЯ ЕГИПЕТСКАЯ]. БИОЛОГИЧЕСКАЯ
БОРЬБА (Biological control). ГУСЕНИЦЫ (Caterpillars).
ЭНТОМОПАТОГЕННЫЕ НЕМАТОДЫ (Entomopathogenic nematodes)
[ЭНТОМОФИЛЬНЫЕ НЕМАТОДЫ]. STEINERNEMA RIOBRAVE
[STEINERNEMA RIOBRAVAE; STEINERNEMA RIOBRAVIS].
HETERORHABDITIS BACTERIOPHORA. ЭНТОМОПАТОГЕННЫЕ ГРИБЫ
(Entomogenous fungi) [ЭНТОМОФИЛЬНЫЕ ГРИБЫ]. BEAUVERIA
BASSIANA. ОБМЕН ВЕЩЕСТВ. ФЕРМЕНТНАЯ АКТИВНОСТЬ (Enzyme
activity). ПИТАНИЕ (Nutrition). АРЕ [АРАБСКАЯ РЕСПУБЛИКА
ЕГИПЕТ; ЕГИПЕТ].
^РТЗ: BEAUVERIA. DEUTEROMYCOTINA [FUNGI IMPERFECTI]. EUMYCOTA.
HETERORHABDITIDAE. HETERORHABDITIS. LEPIDOPTERA
[ЧЕШУЕКРЫЛЫЕ]. NOCTUIDAE [НОЧНИЦЫ; СОВКИ]. SPODOPTERA.
STEINERNEMATIDAE. STEINERNEMA [NEOAPLECTANA]. АФРИКА
(Africa). БИОЛОГИЧЕСКИЕ СВОЙСТВА (Biological properties).
БИОЛОГИЧЕСКОЕ РАЗВИТИЕ (Biological development). БЛИЖНИЙ
ВОСТОК (Near East). ГРИБЫ (Fungi) [FUNGI]. ЗООПАТОГЕННЫЕ
ГРИБЫ. МЕТАБОЛИЗМ (Metabolism). МЕТОДЫ ЗАЩИТЫ РАСТЕНИЙ.
НАСЕКОМЫЕ (Insects) [INSECTA]. НЕМАТОДЫ (Nematodes)
[NEMATODA]. ОНТОГЕНЕЗ (Ontogenesis; Ontogeny)
[ИНДИВИДУАЛЬНОЕ РАЗВИТИЕ]. ПАТОГЕННЫЕ ГРИБЫ (Pathogenic
fungi) [ПАРАЗИТИЧЕСКИЕ ГРИБЫ]. ПЕРИОДЫ ОНТОГЕНЕЗА.
СВОЙСТВА. СЕВЕРНАЯ АФРИКА (North Africa). СРЕДИЗЕМНОМОРЬЕ
[СТРАНЫ СРЕДИЗЕМНОМОРЬЯ]. СТАДИИ РАЗВИТИЯ ЖИВОТНЫХ
(Animal developmental stages) [ФАЗЫ РАЗВИТИЯ ЖИВОТНЫХ].
СТРАНЫ МИРА. ЧЛЕНИСТОНОГИЕ (Arthropods) [ARTHROPODA].