JOURNAL OF VIROLOGY

VOLUME 32 0 NUMBER 1 0 OCTOBER 1979 EDITORIAL BOARD

Robert R. Wagner, Editor-in-Chief (1982) University of Virginia School of Medicine, Charlottesville Dwight L. Anderson, Editor (1983) Harold S. Ginsberg, Editor (1984) School of Dentistry, Columbia University University of Minnesota, New York, N. Y Minneapolis David T. Denhardt, Editor (1982) Edward M. Scolnick, Editor (1982) McGill University National Cancer Institute Montreal, Que., Canada Bethesda, Md. John P. Bader (1979) Alice S. Huang (1981) Fred Rapp (1981) David Baltimore (1981) Paul J. Kaesberg (1979) Dan S. Ray (1980) Amiya K. Banerjee (1979) Joseph Kates (1979) Bernard E. Reilly (1980) David H. L. Bishop (1979) D. C. Kelly (1979) William S. Robinson (1980) David Botstein (1979) George Khoury (1981) Bernard Roizman (1979) Michael A. Bratt (1980) Jonathan A. King (1981) Roland R. Rueckert (1979) Dennis T. Brown (1981) David W. Kingsbury (1979) Norman P. Salzman (1981) Ahmad I. Bukhari (1981) Lloyd M. Kozloff (1979) Joseph Sambrook (1979) Purnell Choppin (1980) Robert M. Krug (1980) Priscilla A. Schaffer (1981) John M. Coffin (1980) Robert A. Lazzarini 1981) Sondra Schlesinger (1980) Richard W. Compans (1979) Richard A. Lerner (1981) Phillip A. Sharp (1979) Geoffrey M. Cooper (1981) Myron Levine (1979) Aaron J. Shatkin (1979) Nicholas R. Cozzarelli (1980) Tomas Lindahl (1981) Lee D. Simon (1981) Clive Dickson (1981) David M. Livingston (1980) Kai Simons (I1981) Walter Doerfler (1980) Ronald B. Luftig (1981) Alan E. Smith (1980) Harrison Echols (1981) Brian McAuslan (1979) Patricia G. Spear (1981) Elvera Ehrenfeld (1980) Robert Martin (1981) F. William Studier (1981) Suzanne U. Emerson (1980) Christopher K. Mathews (1979) Donald F. Sununers (1979) Lynn Enquist (1981) Robert C. Miller (1980) William C. Summers (1980) Erwin J. Fleissner (1980) Gisela Mosig (1979) John M. Taylor (1981) S. Jane Flint (1981) Bernard Moss (1980) Natalie M. Teich (1979) Robert M. Friedman (1979) Joseph S. Pagano (1979) Howard M. Temin (1979) Hidesaburo Hanafusa (1980) J. Thomas Parsons (1980) David C. Ward (1980) William S. Hayward (1981) Ulf G. Petterson (1980) Robin Weiss (1979) John J. Holland (1981) Lennart Philipson (1981) John S. Wiberg (1979) Nancy Hopkins (1980) Peter G. W. Plagemann (1980) Ernest Winocour (1979) Calderon Howe (1979) Craig R. Pringle (1980) Julius Youngner (1979)

Robert A. Day, Managing Editor Gisella Pollock, Assistant Managing Editor Susan Birch, Production Editor 1913 I St., NW, Washington, DC 20006 EX OFFICIO Willis A. Wood, President (1979-1980) Albert Balows, President-Elect (1979-1980) J. Mehsen Joseph, Secretary Brinton M. Miller, Treasurer

The Journal of Virology (ISSN 0022-538X), a publication of Second-class postage paid at Washington, DC 20006, and at the American Society for Microbiology, 1913 1 St., N.W., Wash- additional mailing offices. ington, DC 20006, is devoted to the dissemination of fundamental Made in the U.S.A. knowledge concerning viruses of bacteria, plants, and animals. Copyright (© 1979, American Society for Microbiology. Investigators are invited to submit reports of original research in All Rights Reserved. all areas of basic virology, including biochemistry, biophysics, genetics, immunology, morphology, and physiology. Instructions to Authors are published in the January issue each year. The The code at the top of the first page of an article in this journal Journal is issued monthly, four volumes per year. The nonmem- indicates the copyright owner's consent that copies of the article ber subscription price is $90 per year; single copies are $8. The may be made for personal use, or for personal use of specific member subscription price is $21 per year. Correspondence clients. This consent is given on the condition, however, that the relating to subscriptions, reprints, defective copies, availability of copier pay the stated per-copy fee through the Copyright Clear- back issues, lost or late proofs, disposition of submitted manu- ance Center, Inc., P.O. Box 765, Schenectady, New York 12301, scripts, and general editorial matters should be directed to the for copying beyond that permitted by Sections 107 and 108 of ASM Publications Office, 1913 I St., N.W., Washington, DC the U.S. Copyright Law. This consent does not extend to other 20006 (area 202 833-9680). kinds of copying, such as copying for general distribution, for advertising or promotional purposes, for creating new collective El * idiV4.'_11 &oJ *; fi 7;s ' N3tE works, or for resale. Author Index Allart, Chantal, 61 Hanafusa, Hidesaburo, 102 O'Donnell, Paul V., 350 Aloni, Yosef, 52 Hartley, Janet W., 123 Anderson, Garth R., 234 Hay, J., 140 Parsons, J. Thomas, 40 Anderson, Steven M., 102 Hearing, Patrick, 147 Parsons, Sarah J., 40 Arlinghaus, R. B., 187 Hilgers, Jo, 251 Pater, Alan, 220 Arthur, Larry O., 131 Hirai, K., 323 Pater, Mary M., 220 Horodniceanu, Florian, 259 Pinhasi, Orit, 329 Bandyopadhyay, P. N., 98 Howley, Peter M., 199 Baran, Nava, 293 Hsu, Chung-Hsiung, 304 Ramabhadran, Triprayar V., 123 Bauer, Georg, 78 Rettenmier, Carl W., 102 Benjamin, David C., 40 Jhabvala, Perin S., 114, 123 Rideout, Janet L., 72 Bister, Klaus, 208 Joshi, Arati, 98 Riley, Sylvia C., 40 Bode, Werner, 1 Robertson, Donald L., 114 Boettiger, David, 175 Kaariainen, Leevi, 19 Robinson, William S., 226 Boiocchi, Mauro, 345 Karess, Roger E., 102 Rowe, Wallace P., 123 Boulanger, Pierre A., 61 Karshin, W. L., 187 Rozenblatt, Shmuel, 329 Bratosin, Susan, 329 Kato, N., 323 Rundell, Kathleen, 147 Brison, O., 91 Kedinger, C., 91 Rymo, Lars, 8 Brock, Emily J., 40 Keene, Jack D., 167 Brown, Joseph P., 345 Keller, Paul M., 72 Sattler, Fred, 226 Keranen, Sirkka, 19 Schochetman, Gerald, 131 Chakravorty, Maharani, 98 Schubert, Manfred, 167 Khoury, George, 52 Sekikawa, Kenji, 339 Chambon, P., 91 Kingsbury, David W., 304 Chartrand, P., 140 Shimakura, S., 323 Kleinschmidt, Albrecht K., 268 Smolec, Jo M., 314 Cole, R. David, 47 Klotz, Gunther, 268 Cousin, Chantal, 61 Snyder, Robert, 314 Koch, Tamar, 329 St. Clair, Marty H., 72 Kress, Michel, 259 Steimer, Kathelyn S., 175 Das Gupta, B., 98 Kuehl, W. Michael, 40 Davidson, Norman, 293, 334 Steinhaus, Nancy, 47 Summers, Jesse, 314 D'Halluin, Jean-Claude, 61 Lancaster, Wayne D., 199 Dhar, Ravi, 52 Law, Ming-Fan, 199 Tardy-Panit, Maryse, 259 di Mayorca, Giampiero, 220 Lazzarini, Robert A., 167 Duesberg, Peter H., 208 Temin, Howard M., 78 Lieb, Margaret, 162 Thach, Robert E., 114, 123 L6liger, Hans-Christoph, 208 Timbury, M. C., 140 Elion, Gertrude B., 72 Cedric W., 131 Ellis, Ronald W., 350 Long, Tress, Ellen, 350 Ezoe, H., 240 Mak, I., 240 van der Ploeg, Lex, 251 Famulari, Nancy, 350 Mak, S., 240 van Duijn, Luuk, 251 Faust, Emanuel A., 276 Maniloff, Jack, 268 Van Dyke, Terry A., 155 Flanegan, James B., 155 Manor, Haim, 293, 334 Fleissner, Erwin, 350 Marotti, Keith R., 234 Ward, David C., 276 Fujinaga, Kei, 339 Martin, Guy R., 61 Weinberg, Robert A., 30 Fujiura, A., 323 Massey, Richard J., 131 Werner, Barbara G., 314 Furman, Phillip A., 72 Michalides, Rob, 251 Whitaker-Dowling, Patricia A., Furtner, Reinhard, 47 Michelson, Susan, 259 234 Fyfe, James A., 72 Moss, H., 140 Wiche, Gerhard, 47 Mullen, Edward E., 40 Wu, Madeline, 293, 334 Godefroy-Colburn, Therese, 114, Murti, Kuruganti G., 304 Wu, Y. H., 187 123 Goldfarb, Mitchell P., 30 Naso, R. B., 187 Yang, Yu-Chung, 147 Nowinski, Robert C., 345 Yoshida, Kouichi, 339 Haberer, Klaus, 268 Nusse, Roeland, 251