scholarly journals Characteristics of Novel Insect Defensin-Based Membrane-Disrupting Trypanocidal Peptides

2009 ◽  
Vol 73 (7) ◽  
pp. 1520-1526 ◽  
Author(s):  
Mat YAMAGE ◽  
Mikio YOSHIYAMA ◽  
Dennis J. GRAB ◽  
Masanori KUBO ◽  
Takashi IWASAKI ◽  
...  
Keyword(s):  
Insect Defensin

Transgenic expression of gallerimycin, a novel antifungal insect defensin from the greater wax moth Galleria mellonella, confers resistance to pathogenic fungi in tobacco

2006 ◽  
Vol 387 (5) ◽  
pp. 549-557 ◽  
Author(s):  
Gregor Langen ◽  
Jafargholi Imani ◽  
Boran Altincicek ◽  
Gernot Kieseritzky ◽  
Karl-Heinz Kogel ◽  
...  
Keyword(s):  
Transgenic Tobacco ◽  
Fungal Pathogens ◽  
Galleria Mellonella ◽  
Ectopic Expression ◽  
Pathogenic Fungi ◽  
Transgenic Expression ◽  
Greater Wax Moth ◽  
Insect Defensin ◽  
Wax Moth

Abstract A cDNA encoding gallerimycin, a novel antifungal peptide from the greater wax moth Galleria mellonella, was isolated from a cDNA library of genes expressed during innate immune response in the caterpillars. Upon ectopic expression of gallerimycin in tobacco, using Agrobacterium tumefaciens as a vector, gallerimycin conferred resistance to the fungal pathogens Erysiphe cichoracearum and Sclerotinia minor. Quantification of gallerimycin mRNA in transgenic tobacco by real-time PCR confirmed transgenic expression under control of the inducible mannopine synthase promoter. Leaf sap and intercellular washing fluid from transgenic tobacco inhibited in vitro germination and growth of the fungal pathogens, demonstrating that gallerimycin is secreted into intercellular spaces. The feasibility of the use of gallerimycin to counteract fungal diseases in crop plants is discussed.

Behavior of insect defensin A at the air/water interface

1996 ◽  
Vol 7 (3-4) ◽  
pp. 135-143 ◽  
Author(s):  
Régine Maget-Dana ◽  
Marius Ptak
Keyword(s):  
Water Interface ◽  
Air Water Interface ◽  
Insect Defensin

A novel insect defensin mediates the inducible antibacterial activity in larvae of the dragonfly Aeschna cyanea (Paleoptera, Odonata)

1992 ◽  
Vol 209 (3) ◽  
pp. 977-984 ◽  
Author(s):  
Philippe BULET ◽  
Stephane COCIANCICH ◽  
Michel REULAND ◽  
Ferd SAUBER ◽  
Rainer BISCHOFF ◽  
...  
Keyword(s):  
Antibacterial Activity ◽  
Insect Defensin

Isolation and Characterization of a New Member of the Insect Defensin Family from a Beetle, Allomyrina dichotoma

1996 ◽  
Vol 220 (3) ◽  
pp. 526-531 ◽  
Author(s):  
Akihiro Miyanoshita ◽  
Seiichi Hara ◽  
Masao Sugiyama ◽  
Ai Asaoka ◽  
Kiyoko Taniai ◽  
...  
Keyword(s):  
Isolation And Characterization ◽  
Insect Defensin

Lucifensin, a Novel Insect Defensin of Medicinal Maggots: Synthesis and Structural Study

ChemBioChem ◽  
2011 ◽  
Vol 12 (9) ◽  
pp. 1352-1361 ◽  
Author(s):  
Václav Čeřovský ◽  
Jiřina Slaninová ◽  
Vladimír Fučík ◽  
Lenka Monincová ◽  
Lucie Bednárová ◽  
...  
Keyword(s):  
Structural Study ◽  
Insect Defensin

Plasmodium gallinaceum:Differential Killing of Some Mosquito Stages of the Parasite by Insect Defensin

1998 ◽  
Vol 89 (1) ◽  
pp. 103-112 ◽  
Author(s):  
Mohammed Shahabuddin ◽  
Iesha Fields ◽  
Philippe Bulet ◽  
Jules A. Hoffmann ◽  
Louis H. Miller
Keyword(s):  
Insect Defensin

Design and synthesis of cyclic disulfide-bonded antibacterial peptides on the basis of the α helical domain of Tenecin 1, an insect defensin

2008 ◽  
Vol 16 (7) ◽  
pp. 4127-4137 ◽  
Author(s):  
Hye-sun Ahn ◽  
Wonmi Cho ◽  
Joung-min Kim ◽  
Bishnu Prasad Joshi ◽  
Jun-won Park ◽  
...  
Keyword(s):  
Antibacterial Peptides ◽  
Design And Synthesis ◽  
Helical Domain ◽  
Insect Defensin

scholarly journals The secondary structure of the insect defensin A depends on its environment. A circular dichroism study

Biochimie ◽  
1995 ◽  
Vol 77 (4) ◽  
pp. 240-244 ◽  
Author(s):  
R. Maget-Dana ◽  
J.M. Bonmatin ◽  
Ch. Hetru ◽  
M. Ptak ◽  
J.C. Maurizot
Keyword(s):  
Circular Dichroism ◽  
Secondary Structure ◽  
Insect Defensin ◽  
Circular Dichroïsm
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