Canadian Forest Service Publications

Haemolymph and ovarial proteins in the bark beetle, Dendroctonus pseudotsuga in relation to ovarian development. 1970. Sahota, T.S. Canadian Journal of Zoology 48(6): 1307-1312.

Year: 1970

Issued by: Pacific Forestry Centre

Catalog ID: 28255

Language: English

Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1139/z70-222

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Female-specific proteins appear in the blood of Dendroctonus pseudotsugae within 24 h of attack on the host logs. By 48 h these proteins reach their maximum concentration and form about 50% of the total blood proteins. Of the 2.5-fold increase in the concentration of blood proteins during this time, nearly 80% is accounted for by the female-specific proteins. These proteins start appearing in the ovaries 48 h after the attack on host material. The lag between the appearance of these proteins in the haemolymph and their incorporation into the developing ovaries is probably attributable to physiological incompetence of developing oocytes to incorporate these proteins in the early stages of their maturation.