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Guanosine tetrophosphate accumulation in Rhizobium meliloti

Creator:

Saedi, Mohammad Saeed

Abstract:

The effect of carbon source, nitrogen source, and amino acid starvation on the accumulation of guanosine tetraphosphate.and RNAand protein synthesis in Rhizobium meliloti are described in this report. An accumulation of ppGpp and a decrease in the rate of RNA and protein synthesis were observed in response to nitrogen source...

Resource Type:

Masters Thesis

Full Text:

meliloti AN ABSTRACT OF THE THESIS OF Mohammad Saeed Saedi for the degree of Master of Science in
Toxicity of some commonly used pesticides to Trioxys Pallidus and its establishment in filbert orchards of Willamette Valley

Creator:

Saeed, Mohammad

Abstract:

A parasitic wasp, Trioxys pallidus Haliday (Hymenoptera: Aphidiidae) was imported from Europe and initially released against the filbert aphid Mvzocallis coryli (Goetze) in hazelnut (filbert) orchards of the Willamette Valley, Oregon beginning in 1984. In the present study, I investigated the establishment rates of this parasitoid. A total of 13...

Resource Type:

Masters Thesis

Full Text:

Mohammad Saeed for the degree of Master of Science in Entomology presented on July 25 1989. Title
The development of a methodology to study the effects of process dynamics and costs on operator behavior

Creator:

Saedi, Mohammad Vahid

Abstract:

A computer simulation was developed as a technique for studying the effects of the process dynamics on the operator's sampling and control behavior. This methodology was used to study the effects of the process input memory variation in the presence of different observation noise levels. It was concluded that the...

Resource Type:

Masters Thesis

Full Text:

, 1977 Typed by Deanna L. Cramer for Mohammad Vahid Saedi To my parents and my brother, Saeed