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Parasitism of Monarch Butterflies (Danaus Plexippus) by Lespesia Archippivora (Diptera: Tachinidae)
Report of parasitism rates by this tachinid fly in wild captured monarchs, using data collected over 7 y by 77 volunteers in the Monarch Larva Monitoring Project, suggests that females either respond to larger hosts by laying more eggs or that superparasitism (parasitic by more than one individual) occurs.
Adozelesin, a selected lead among cyclopropylpyrroloindole analogs of the DNA-binding antibiotic, CC-1065
Adozelesin appears to be more effective than these drugs in the treatment of very resistant tumors such as s.p.- or s.c.-implanted mouse B16 melanoma, pancreatic 02 carcinoma, and human colon CX-1 and human lung LX-1 tumor xenografts.
Tachinid Fly (Diptera: Tachinidae) Parasitoids of Danaus plexippus (Lepidoptera: Nymphalidae)
This work documents the tachinid community that attacks monarchs in the United States, evaluates their relative frequency, and examines variation in their specificity, oviposition strategy, and use of host stages.
Stereoelectronic factors influencing the biological activity and DNA interaction of synthetic antitumor agents modeled on CC-1065.
Structural-activity analysis supports a molecular mechanism for biological action involving hydrophobic interaction of the drug with DNA and acid-catalyzed alkylation of DNA.
Synthesis of (R)- and (S)-(glu)thz and the corresponding bisthiazole dipeptide of dolastatin 3
Synthese de (R)- et (S)-(glu)Thz (acides [amino-1' carboxy-3' propyl]-2 thiazolecarboxyliques-4) et du dipeptide (glu)Thz-(gly)Thz ((gly)Thz=acide aminomethyl-2 thiazolecarboxylique-4)