Adaptation to Cd(II) and Zn(II), and the caffeine-potentiated override of the G₂ block induced by the checkpoint activated by DNA damage

REFERENCES

• Andreassen , P.R. and Margolis , R.L. 1992 . 2-Aminopurine overrides multiple cycle checkpoints in BHK cells . Proc. Nat. Acad. Sci. USA , 89 : 2272 – 2276 .
   PubMedGoogle Scholar
• Bagchi , D. , Vuchetich , P.J. , Bagchi , M. , Hassoun , E.A. , Tran , M.X. , Tang , S.J. and Stohs , Sj. 1997a . Induction of oxidative stress by chronic administration of sodium dichromate [chromium VI] amd cadmium chloride [cadmium II] to rats . Free Radical Biol. Med. , 22 : 471 – 478 .
   PubMed Web of Science ®Google Scholar
• Bagchi , D. , Bagchi , M. and Stohs , Sj. 1997b . Comparative in vitro oxygen radical scavenging ability of zinc methionine and selected zinc salts and antioxidants . Gen Pharmacol. , 28 : 85 – 91 .
   PubMedGoogle Scholar
• Borboa , L. and De La Torre , C. 1996 . The genotoxicity of Zn and Cd in Allium cepa root meristematic cells . New Phytol. , 134 : 481 – 486 .
   Google Scholar
• Carmona , M.J. and Cuadrado , A. 1986 . Analysis of growth components in Allium roots . Planta , 168 : 183 – 189 .
   PubMedGoogle Scholar
• Codina , J.C. , Perez-Torrente , C. , Perez-Garcia , A. , Cazorla , F.M. and De Vicente , A. 1995 . Comparison of microbial test for the detection of heavy metal genotoxicity . Arch. Environ. Contam. Toxicol. , 29 : 260 – 265 .
   PubMedGoogle Scholar
• Davies , K.L. , Davies , M.S. and Francis , D. 1991 . The influence of an inhibitor of phytochelatin synthesis on root growth and root meristematic activity in Festuca rubra L. in response to zinc . New Phytol. , 118 : 565 – 570 .
   Google Scholar
• Del Campo , A. , Gimenez-Martin , G. , Lopez-Saez , Jf. and De La Torre , C. 1997 . Frailty of two cell cycle checkpoints which prevent entry into mitosis and progression through early mitotic stages . Eur. J. Cell Biol. , 74 : 289 – 293 .
   PubMedGoogle Scholar
• Fiskesj˜o , G. 1988 . The Allium test. An alternative in environmental studies: the relative toxicities of metal ions . Mutation Res. , 197 : 243 – 260 .
   PubMed Web of Science ®Google Scholar
• Foley , R.C. , Liang , Z.M. and Singh , K.B. 1997 . Analysis of type I metallothionein cDNAs in Vicia faba . Plant Mol. Biol. , 33 : 583 – 591 .
   PubMed Web of Science ®Google Scholar
• Friberg L. Elinder C.G. Kjellstroem T. Nordberg G.F. Cadmium and health: a toxicological and epidemiological appraisal. Vol. II. Effects and response CRC Press Boca Ratón FL USA 1986 130 184
   Google Scholar
• Gong , Q. and Hart , B.A. 1997 . Effects of thiols on cadmium-induced expression of metallothionein and other oxidant stress genes in rat lung epithelial cells . Toxicol. , 119 : 179 – 191 .
   PubMed Web of Science ®Google Scholar
• González-Fernández , A. , Hernández , P. and López-Sáez , J.F. 1985 . Effect of caffeine and adenosine on G2 repair: mitotic delay and chromosome damage . Mutation Res. , 149 : 275 – 281 .
   PubMed Web of Science ®Google Scholar
• Goodgame , D. , Jeeves , I. , Reynolds , C.D. and Strapski , A.C. 1975 . Multiplicity of cadmium binding sites in nucleotides: X-ray evidence of the involvement of 02′ and O3‵ as well as phosphate and N-inosine-5′-monophosphate . Nucleic Acids Res. , 2 : 1375 – 1380 .
   PubMed Web of Science ®Google Scholar
• Grill , E. , Loffler , S. , Winnacker , E.L. and Zenk , M.H. 1989 . Phytochelatins, the heavy-metal binding peptides of plants, are synthesized from glutathione by a specific δ-glutamyl cysteine dipeptidyl transpeptidase (phytochelatin synthase) . Proc. Nat. Acad. Sci. USA , 86 : 6838 – 5842 .
   PubMed Web of Science ®Google Scholar
• Gupta , S.C. and Goldsbrough , P.B. 1991 . Phytochelatin accumulation and cadmium tolerance in selected tomato cell lines . Plant Physiol. , 97 : 306 – 312 .
   PubMed Web of Science ®Google Scholar
• Kapustka , L.A. , Lipton , H. , Galbraith , H. , Cacela , D. and Lejeune , K. 1995 . Metal and arsenic impacts to soils, vegetation communities and wildlife habitats in Southwest Montana upland contaminated by smelter emissions. II. Laboratory phytotoxicity studies . Environm. Toxicol. Chem. , 14 : 1905 – 1912 .
   Web of Science ®Google Scholar
• Koizumi , Z. , Li , Z.G. and Tatsumoto , H. 1992 . DNA damaging activity of cadmium in Leydig cells, a target cell population for cadmium carcinogenesis in the rat testis . Toxicol. Lett. , 63 : 211 – 220 .
   PubMed Web of Science ®Google Scholar
• Kumagai , A. , Guo , A. , Emami , K.H. , Wang , S.X. and Dunphy , W.G. 1998 . The Xenopus Chk1 protein kinase mediates a caffeine-sensitive pathway of checkpoint control in cell-free extracts . J. Cell Biol. , 142 : 1559 – 1569 .
   PubMed Web of Science ®Google Scholar
• Mayalagu , S , Pattyrajan , M. and Chatterji , D. 1997 . The presence of two tightly bound Zn2+ ions is essential for the structural and functional integrity of yeast RNA polymerase II . Gene , 190 : 77 – 85 .
   PubMed Web of Science ®Google Scholar
• McClintock , B. 1984 . “ The significance of responses of the genome to challenge ” . In Les Prix Nobel en 1983 , 174 – 193 . Stockholm, , Sweden : The Nobel Foundation . In
   Google Scholar
• Mikhailova , M.V. , Littlefield , N.A. , Hass , B.S. , Poirier , L.A. and Chou , M.W. 1997 . Cadmium-induced 8-hydroxydeoxyguanosine formation, DNA strand breaks and antioxidant enzyme activities in lymphoblastoid cells . Cancer Lett. , 115 : 141 – 148 .
   PubMedGoogle Scholar
• Pelayo , H. , Weingartner , M. , Meszaros , T , Dudits , D. , Heberle-Bors , E. , De La Torre , C and Bogre , L. Caffeine acts synergically with the plant mitotic cyclin B2 to stimulate entry into mitosis , In preparation
   Google Scholar
• Rennenberg , H. and Filner , P. 1982 . Stimulation of H2S emission from pumpkin leaves by inhibition of glutathione synthesis . Plant Physiol. , 69 : 766 – 770 .
   PubMed Web of Science ®Google Scholar
• Shiraishi , N. , Hochadel , J.F. , Coogan , R.P. , Koropatnick , J and Waalkes , M.P. 1995 . Sensitivity to cadmium-induced genotoxicity in rat testicular cells is associated with minimal expression of the metallothionein gene . Toxicol. Appl. Pharmacol. , 130 : 229 – 236 .
   PubMed Web of Science ®Google Scholar
• Sluyser , M. , Gert , A.B. , Brinkman , A.O. and Blankenstein , R.A. 1993 . Zinc-finger proteins in oncogenesis. DNA-binding and gene regulation . Annals New York Acad. Sci. , 684 : 1 – 3 .
   Google Scholar
• Sunderman , F.W. and Barber , A.M. 1988 . Finger-loops, oncogenes, and metals. Claude Passmore Brown Memorial Lecture . Ann. Clin. Lab. Sci. , 4 : 267 – 288 .
   Google Scholar
• Vallee , B.L. and Galdes , A. 1984 . The metallobiochemistry of Zn enzymes . Adv. Enzymol. Relat. Areas Mol. Biol. , 56 : 283 – 430 .
   PubMedGoogle Scholar
• Wang , W. and Freemark , K. 1995 . The use of plants for environmental monitoring and assessment . Ecotoxicol. Environm. Safety , 30 : 289 – 301 .
   PubMed Web of Science ®Google Scholar
• Zhou , J. and Goldsbrough , P.B. 1995 . Structure, organization and expression of the metallothionein gene family in Arabidopsis . Mol. Gen. Genet. , 248 : 318 – 328 .
   PubMedGoogle Scholar