2007
DOI: 10.1016/j.ibmb.2007.08.007
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Verification of elicitor efficacy of lipopolysaccharides and peptidoglycans on antibacterial peptide gene expression in Bombyx mori

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Cited by 17 publications
(10 citation statements)
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“…Moreover, silkworms die as a result of excessive activation of the innate immune system induced by P. gingivalis peptidoglycans . Silkworms recognize not only peptidoglycan and lipopolysaccharide, which are constituents of bacteria, but also β‐glucan, which is a cell wall component of fungi and activates innate immune systems . Thus, these studies suggest that death resulting from excessive activation of the innate immune system by bacterial and fungal infection can be evaluated using a silkworm model.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, silkworms die as a result of excessive activation of the innate immune system induced by P. gingivalis peptidoglycans . Silkworms recognize not only peptidoglycan and lipopolysaccharide, which are constituents of bacteria, but also β‐glucan, which is a cell wall component of fungi and activates innate immune systems . Thus, these studies suggest that death resulting from excessive activation of the innate immune system by bacterial and fungal infection can be evaluated using a silkworm model.…”
Section: Introductionmentioning
confidence: 99%
“…Interestingly, the DAP in Bacilli species is mostly amidated-DAP (more than 90%) but the DAP in Gram-negative bacteria is a meso-DAP (Leulier et al, 2003; Schleifer and Kandler, 1972). LPS and LTA are also potent elicitors in activation of immune-related genes in several insect species, including Tribolium castaneum (Altincicek et al, 2008), D. melanogaster (Jin et al, 2008), Tenebrio molitor (Haine et al, 2008), Bombus ignitus (Choi et al, 2008), Bombyx mori (Ha Lee et al, 2007), and Thermobia domestica (Altincicek and Vilcinskas, 2007). Although it was reported that crude LPS can induce immune responses in D. melanogaster (Imler et al, 2000), highly purified LPS does not activate the Toll or IMD pathway in adult flies (Kaneko et al, 2004; Leulier et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…Although it was reported that crude LPS can induce immune responses in D. melanogaster (Imler et al, 2000), highly purified LPS does not activate the Toll or IMD pathway in adult flies (Kaneko et al, 2004; Leulier et al, 2003). Crude LPS are often contaminated with trace amounts of PG, which may cause activation of immune responses (Ha Lee et al, 2007; Imler et al, 2000). Recently, it was reported that highly purified LPS (TLRgrade ™ ) can activate immune responses in the fat body of B. mori (a lepidopteran insect), but the activation level is lower than that by crude LPS or PG (Tanaka et al, 2009).…”
Section: Introductionmentioning
confidence: 99%
“…In silkworms, immune reactions are categorized as either humoral or cellular. Humoral immunity is represented by the production of antimicrobial peptides (AMPs) 2 (14,15), and cellular immunity includes phagocytosis of microorganisms by blood cells (hemocytes) (16). Our recent studies have focused on an insect cytokine named paralytic peptide (PP) that regulates both humoral and cellular immunity in silkworms (17,18).…”
mentioning
confidence: 99%