Organ culture of ixodid-tick salivary glands

1990 ◽  
Vol 9 (1-2) ◽  
pp. 79-86 ◽  
Author(s):  
W. Reuben Kaufman
Keyword(s):  
Organ Culture ◽  
Salivary Glands ◽  
Ixodid Tick ◽  
Tick Salivary Glands

Possible role in uptake of water vapour by ixodid tick salivary glands

1976 ◽  
Vol 22 (9) ◽  
pp. 1281-1285 ◽  
Author(s):  
Harold L. McMullen ◽  
John R. Sauer ◽  
Robert L. Burton
Keyword(s):  
Salivary Glands ◽  
Water Vapour ◽  
Ixodid Tick ◽  
Tick Salivary Glands

scholarly journals Salp25D, anIxodes scapularisAntioxidant, Is 1 of 14 Immunodominant Antigens in Engorged Tick Salivary Glands

2001 ◽  
Vol 184 (8) ◽  
pp. 1056-1064 ◽  
Author(s):  
Subrata Das ◽  
Gautam Banerjee ◽  
Kathleen DePonte ◽  
Nancy Marcantonio ◽  
Fred S. Kantor ◽  
...  
Keyword(s):  
Salivary Glands ◽  
Immunodominant Antigens ◽  
Tick Salivary Glands

Fluid secretion by isolated tick salivary glands dependent on an intact cytoskeleton

1994 ◽  
Vol 24 (4) ◽  
pp. 563-567 ◽  
Author(s):  
William J. Lamoreaux ◽  
Glen R. Needham ◽  
Lewis B. Coons
Keyword(s):  
Salivary Glands ◽  
Fluid Secretion ◽  
Tick Salivary Glands

scholarly journals Antigenic Variation of Anaplasma Marginale: Major Surface Protein 2 Diversity during Cyclic Transmission between Ticks and Cattle

2001 ◽  
Vol 69 (5) ◽  
pp. 3057-3066 ◽  
Author(s):  
A. F. Barbet ◽  
Jooyoung Yi ◽  
Anna Lundgren ◽  
B. R. McEwen ◽  
E. F. Blouin ◽  
...  
Keyword(s):  
Membrane Protein ◽  
Salivary Glands ◽  
Antigenic Variation ◽  
Hypervariable Region ◽  
Surface Protein ◽  
Genomic Expression ◽  
Major Surface Protein ◽  
Expression Site ◽  
Major Surface ◽  
Tick Salivary Glands

ABSTRACT The rickettsial pathogen Anaplasma marginale expresses a variable immunodominant outer membrane protein, major surface protein 2 (MSP2), involved in antigenic variation and long-term persistence of the organism in carrier animals. MSP2 contains a central hypervariable region of about 100 amino acids that encodes immunogenic B-cell epitopes that induce variant-specific antibodies during infection. Previously, we have shown that MSP2 is encoded on a polycistronic mRNA transcript in erythrocyte stages of A. marginale and defined the structure of the genomic expression site for this transcript. In this study, we show that the same expression site is utilized in stages of A. marginale infecting tick salivary glands. We also analyzed the variability of this genomic expression site in Oklahoma strain A. marginale transmitted from in vitro cultures to cattle and between cattle and ticks. The structure of the expression site and flanking regions was conserved except for sequence that encoded the MSP2 hypervariable region. At least three different MSP2 variants were encoded in each A. marginalepopulation. The major sequence variants did not change on passage ofA. marginale between culture, acute erythrocyte stage infections, and tick salivary glands but did change during persistent infections of cattle. The variant types found in tick salivary glands most closely resembled those present in bovine blood at the time of acquisition of infection, whether infection was acquired from an acute or from a persistent rickettsemia. These variations in structure of an expression site for a major, immunoprotective outer membrane protein have important implications for vaccine development and for obtaining an improved understanding of the mechanisms of persistence of ehrlichial infections in humans, domestic animals, and reservoir hosts.

Brain factor induced formation of inositol phosphates in tick salivary glands

1989 ◽  
Vol 19 (4) ◽  
pp. 343-349 ◽  
Author(s):  
Janis L. McSwain ◽  
James S. Tucker ◽  
Richard C. Essenberg ◽  
John R. Sauer
Keyword(s):  
Salivary Glands ◽  
Inositol Phosphates ◽  
Brain Factor ◽  
Tick Salivary Glands

scholarly journals Organ Culture of Salivary Glands of Male Anastrepha suspensa (Diptera: Tephritidae)

1995 ◽  
Vol 78 (3) ◽  
pp. 467 ◽  
Author(s):  
Rejane R. De Moraes ◽  
James L. Nation ◽  
James E. Maruniak
Keyword(s):  
Organ Culture ◽  
Salivary Glands ◽  
Anastrepha Suspensa
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