{# load django_bootstrap5#%} CCDB server
Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsAmaryllidaceaeAlliumAllium cepa L.

124 chromosome counts in Allium cepa L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Allium cepa L. Allium cepa L.   32 CHROBASE D'AMATO F. - 1948. Autotetraploidia spontanea in Allium cepa L.. Caryologia , 1(1): 48.
  Allium cepa L. Allium cepa L.   16 CHROBASE BATTAGLIA E. - 1957. Allium ascalonicum L., A. fistolosum L., A. cepa L.: analisi cariotipica.. Caryologia , 10(1): 1/1/2028.
  Allium cepa L. Allium cepa L.   16 Slovakia Database Májovský J. et al., 1978: Index of chromosome numbers of Slovakian flora (Part 6). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 26: 1-42.
  Allium cepa L. Allium cepa L.   16 Slovakia Database Murín A., 1970: Príspevok ku klasifikácii typov chromozómov a ich označovaniu. - Acta Fac. Rerum. Nat. Univ. Comen., Bot. 16: 37-41.
!   Allium cepa L. Allium cepa L.   16, 24 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=4774
!   Allium cepa L. Allium cepa L.   16 Flora Europaea Battaglia, 1957
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   24 Kamari Mediterranean  
  Allium cepa L. Allium cepa L. 8   IPCN online  
  Allium cepa L. Allium cepa L.   16 IPCN online Grover, I. S. & P. K. Malhi. 1988. Genotoxic effects of some organophosphorus pesticides III. In vivo chromosomal aberration bioassay in root meristems of Allium and Hordeum. Cytologia 53: 181–191.
  Allium cepa L. Allium cepa L.   16 IPCN online Li, R. q. 1989. Studies on Karyotypes of Vegetables in China
  Allium cepa L. Allium cepa L.   16 IPCN online Chen, R. y. 1989. A further research of plant chromosome G-banding. Pp. 187--193 in D. Hong (editor), Plant Chromosome Research 1987.
  Allium cepa L. Allium cepa L.   16 IPCN online Cortes, F., G. Gonzalez-Gil & M. J. Hazen. 1983. C-Banding and sister chromatid exchanges in three species of the genus Allium (A. cepa, A. ascalonicum and A. sativum). Caryologia 36: 203–210.
  Allium cepa L. Allium cepa L.   16 IPCN online Cortes, F. & P. Escalza. 1986. Analysis of different banding patterns and late replicating regions in chromosomes of Allium cepa, A. sativum and A. nigricans. Genetica 71: 39–46.
  Allium cepa L. Allium cepa L.   16 IPCN online Badr, A. 1983. Mitodepressive and chromotoxic activities of two herbicides in Allium cepa. Cytologia 48: 451–457.
  Allium cepa L. Allium cepa L.   16 IPCN online Kalkman, E. R. 1984. Analysis of the C-banded karyotype of Allium cepa L. Standard system of nomenclature and polymorphism. Genetica 65: 141–148.
  Allium cepa L. Allium cepa L.   16 IPCN online Dhingra, A. & I. S. Grover. 1984. Demonstration of centromeric heterochromatin in Allium cepa chromosomes by MNNG treatment. Chromosome Inf. Serv. 37: 3–4.
  Allium cepa L. Allium cepa L.   16 IPCN online Singh, M. R. 1982. Effects of IAA with maleic hydrazide and colchicine on root tip mitosis. Cytologia 47: 419–426.
  Allium cepa L. Allium cepa L.   16 IPCN online Tanaka, R. & S. Ohta. 1982. A method for differential staining of centromere regions of plant chromosomes. Jap. J. Genet. 57: 65–73.
  Allium cepa L. Allium cepa L.   16 IPCN online Nandi, S. 1985. Studies on the cytogenetic effect of some mercuric fungicides. Cytologia 50: 921–926.
  Allium cepa L. Allium cepa L.   16 IPCN online Zhang, Z., G. Dong & P. Lu. 1982. Study on the chromosome N-banding in plants. Acta Bot. Sin. 24: 120–124.
  Allium cepa L. Allium cepa L. 6   IPCN online Wang, C. y. & G. c. Zheng. 1987. The relationship between the intercellular chromatin migration of pollen mother cells and the changes of chromosome numbers during the genesis of male gametes in Allium cepa. Acta Bot. Sin. 29: 247–252.
  Allium cepa L. Allium cepa L.   16 IPCN online Schubert, I. & U. Wobus. 1985. In situ hybridization confirms jumping nucleolus organizing regions in Allium. Chromosoma 92: 143–148.
  Allium cepa L. Allium cepa L.   16 IPCN online Fujishima, H. 1982. A modified method for observing mitosis of plants in a school lesson (50 min.) J. Biol. Sci. Educ. 23–22: 18–27.
  Allium cepa L. Allium cepa L.   16 IPCN online Joshi, C. P. & P. K. Ranjekar. 1982. Visualization and distribution of heterochromatin in interphase nuclei of several plant species as revealed by a new Giemsa banding technique. Cytologia 47: 471–480.
  Allium cepa L. Allium cepa L.   16 IPCN online Nanuscyan, E. R. & V. J. Polyakov. 1989. The dependence between the DNA content, the thickness of mitotic chromosomes and the volume of pollen grains in some species of genus Allium L. Biol. Nauki (Alma-Ata) 8: 50–56.
  Allium cepa L. Allium cepa L.   16 IPCN online Chen, R. y. 1988. G-Band staining of chromosomes in some higher plants with special reference to Lilium davidii. Kromosomo 50: 1635–1651.
  Allium cepa L. Allium cepa L.   16 IPCN online Ohi, M. 1990. Studies on the factor of existence in Allium chinense guessed from elimination of the constitution of chromosomes. J. Fac. Agric. Shinshu Univ. 27: 49–90.
  Allium cepa L. Allium cepa L.   16 IPCN online Albini, S. M. & G. H. Jones. 1988. Synaptonemal complex spreading in Allium cepa and Allium fistulosum. II. Pachytene observations: the SC karyotype and the correspondence of late recombination nodules and chiasmata. Genome 30: 339–410.
  Allium cepa L. Allium cepa L.   16 IPCN online Sulaiman, S. N., S. H. N. Hussain, A. Sharif & A. Ashraf. 1991. Karyotypic analysis of local varieties of Allium cepa of Kano, Nigeria. Nucleus (Calcutta) 34: 130–135.
  Allium cepa L. Allium cepa L.   14, 16, 28 IPCN online Mohana, D. & D. Subramanian. 1990. Cytological studies in four varieties on Allium cepa L. Proc. Indian Sci. Congr. Assoc. 77(3,VI): 150–151.
  Allium cepa L. Allium cepa L.   16 IPCN online Soliman, M. S. A. 1990. Heterochromatic patterns of some species in the genus Allium as revealed by the Giemsa C-banding technique. Egypt. J. Bot. 33: 141–151.
  Allium cepa L. Allium cepa L.   16 IPCN online Fuchs, J., A. Brandes & I. Schubert. 1995. Telomere sequence localization and karyotype evolution in higher plants. Pl. Syst. Evol. 196: 227–241.
  Allium cepa L. Allium cepa L. 8   IPCN online Soliman, M. S. A. 1999. Prediction of chromosome order in the genus Allium L. Egypt. J. Bot. 39(1): 27–40.
  Allium cepa L. Allium cepa L.   16 IPCN online Talukder, K. & S. SEN. 2000. Chromosome characteristics in some Allium spp. and assessment of their interrelationship. Nucleus (Calcutta) 43(1,2): 46–57.
  Allium cepa L. Allium cepa L.   16 IPCN online Adams, S. P., I. J. Leitch, M. D. Bennett & A. R. Leitch. 2000. Aloe L. - a second plant family without (TTTAGGG) telomeres. Chromosoma 109: 201–205.
  Allium cepa L. Allium cepa L.   16 IPCN online Pandita, T. K. 1979. Cytological investigations of some monocots of Kashmir. Ph.D. Thesis, Chandigarh 1979.
  Allium cepa L. Allium cepa L.   16 IPCN online Roy, S. C. 1980. Chromosomal variations in the callus tissues of Allium tuberosum and A. cepa. Protoplasma 102: 171–176.
  Allium cepa L. Allium cepa L.   16 IPCN online Sadisivaiah, R. S., G. B. Collins & D. L. Davis. 1973. The effect of LSD on mitotic and meotic plant chromosomes. Chromosoma 44: 309–318.
  Allium cepa L. Allium cepa L.   16 IPCN online Stack, S. M. & D. E. Comings. 1979. The chromosomes and DNA of Allium cepa. Chromosoma 70: 161–181.
  Allium cepa L. Allium cepa L.   16 IPCN online Abraham, S. & V. D. Cherian. 1976. A study of the cellular damage produced by extracts of fruits of Lantana camara Linn. New Bot. 3: 111–114.
  Allium cepa L. Allium cepa L.   16 IPCN online El-Gadi, A. & Elkington. 1975. Comparison of the giemsa C-band karyotypes and the relationships of Allium cepa, A. fistulosum and A. galanthum. Chromosoma 51: 19–23.
  Allium cepa L. Allium cepa L.   16 IPCN online KAUL., R. 1981a. In Chromosome number reports LXXII. Taxon 30: 707.
  Allium cepa L. Allium cepa L.   16 IPCN online Banerjee, N. 1980. Chromosome studies in somes species of Allium. Proc. Indian Sci. Congr. Assoc. (IV, A) 67: 35.
  Allium cepa L. Allium cepa L.   16 IPCN online LANGER, A. & A. K. Koul. 1979. Studies on nucleolus and nucleolar chromosomes in angiosperms. II. An aberrant NOR in Allium cepa L. Chromosome Inf. Serv. 26: 13–14.
  Allium cepa L. Allium cepa L.   16 IPCN online Mandal, S. K. & R. K. Basu. 1978. Radiosensitivity of diploid and triploid Allium cepa. Proc. Indian Sci. Congr. Assoc. (III, C) 65: 102.
  Allium cepa L. Allium cepa L.   16 IPCN online Murin, A. 1978. In Index of chromosome numbers of Slovakian flora. Part 6. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 26: 1–42.
  Allium cepa L. Allium cepa L.   16,32 IPCN online BHATTACHARYYA, R. 1976. A tetraploid Allium cepa from Bangladesh. Cytologia 41: 513–521.
  Allium cepa L. Allium cepa L.   16 IPCN online BOCHANTSEVA, Z. P. 1972. O chislakh chromosom. Pp. 45-53 in Introd. Akkli. Rasteny Akad. Nauk Uzbekist. SSR.
  Allium cepa L. Allium cepa L.   16 IPCN online Tanaka, N. & R. TANAKA. 1975. Karyograph as a karyotype expression. CIS Chromosome Inform. Serv. 19: 11–12.
  Allium cepa L. Allium cepa L.   16 IPCN online Tanaka, R. & K. TANIGUCHI. 1975. A banding method for plant chromosomes. Jap. J. Genet. 50: 163–167.
  Allium cepa L. Allium cepa L.   16 IPCN online Taniguchi, K., R. Tanaka, Y. Yonezawa & H. KOMATSU. 1975. Types of banding patterns of plant chromosomes by modified BSG method. Kromosomo, II 100: 3123–3135.
  Allium cepa L. Allium cepa L.   16 IPCN online Vosa, C. G. 1977. Heterochromatic patterns and species relationship. Nucleus 20: 33–41.
  Allium cepa L. Allium cepa L.   16 IPCN online FISKESJO, G. 1975. Chromosomal relationships between three species of Allium as revealed by C-banding. Hereditas (Lund) 81: 23–32.
  Allium cepa L. Allium cepa L. 8   IPCN online KAUL, C. L. 1975. Cytology of a spontaneously occurring desynaptic Allium cepa. Cytologia 40: 243–244.
  Allium cepa L. Allium cepa L.   16 IPCN online KIM, J. H. 1974. The study on scattering of chromosomes in cells---Scattering of chromosomes by treatment with potassium ferricyanide solution under light. Korean J. Bot. 17: 113–117.
  Allium cepa L. Allium cepa L.   17--23 IPCN online Masuzaki. 2006. Complete assignment of structural genes involved in flavonoid biosynthesis influencing bulb color to individual chromosomes of the shallot (Allium cepa L.). Genes Genet. Systems 81(4): 255–263.
!   Allium cepa L. Allium cepa L.   16 IPCN online Puizina, J. & D. Papea. 1996. Cytogenetical evidences for hybrid structure and origin of diploid and triploid shallots (Allium cepa var. viviparum, Liliaceae) from Dalmatia (Croatia). Pl. Syst. Evol. 199: 203–215.
!   Allium cepa L. Allium cepa L.   16 IPCN online Puizina, J. & D. Papea. 1996. Cytogenetical evidences for hybrid structure and origin of diploid and triploid shallots (Allium cepa var. viviparum, Liliaceae) from Dalmatia (Croatia). Pl. Syst. Evol. 199: 203–215.
!   Allium cepa L. Allium cepa L.   16 IPCN online Sulistyaningsih, E., K. Yamastai & Y. Tashiro. 2002. Genetic characteristics of the Indonesian white shallot. J. Jap. Soc. Hort. Sci. 71: 504–508.
!   Allium cepa L. Allium cepa L.   16 IPCN online Sulistyaningsih, E., K. Yamastai & Y. Tashiro. 2002. Genetic characteristics of the Indonesian white shallot. J. Jap. Soc. Hort. Sci. 71: 504–508.
!   Allium cepa L. Allium cepa L.   16 IPCN online Kim, E. S., E. O. Punina & A. V. Rodionov. 2002. Chromosome CPD(PI/DAPI)- and CMA/DAPI-banding patterns in Allium cepa L. Genetika 38(4): 489–496.
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   24 IPCN online  
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   16, 24 IPCN online Puizina, J., M. E. Solic & D. Papes. 1995. Mediterranean chromosome number reports 5 (524--527). Fl. Medit. 5: 337–340.
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   16, 24 IPCN online Puizina, J. & D. Papea. 1996. Cytogenetical evidences for hybrid structure and origin of diploid and triploid shallots (Allium cepa var. viviparum, Liliaceae) from Dalmatia (Croatia). Pl. Syst. Evol. 199: 203–215.
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   16,24 IPCN online KAUL., R. 1981a. In Chromosome number reports LXXII. Taxon 30: 707.
  Allium cepa var. cepa Allium cepa L.   16 IPCN online Vijayavalli, B. & P. M. Mathew. 1990. Cytotax. Liliaceae Allied Fam. Continental Publishers, Kerala, India.
  Allium cepa var. aggregatum G. Don Allium cepa L.   16 IPCN online Vijayavalli, B. & P. M. Mathew. 1990. Cytotax. Liliaceae Allied Fam. Continental Publishers, Kerala, India.
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   16 IPCN66 Fukushima et al. 1964
!   Allium cepa L. Allium cepa L.   16 IPCN67-71 BENNETT, M.D., H. REES. 1969. Induced and developmental variatior in chromosomes of meristematic cells. Chromosoma 27: 226-244
!   Allium cepa L. Allium cepa L.   16 IPCN67-71 WAGENAAR, E.B. 1969. End-to-end chromosome attachments in mitotic interphase and their possible significance to meiotic chromosome pairing. Chromosoma 26: 410-426.
  Allium cepa L. Allium cepa L.   16 IPCN67-71 KURITA, M. 1968. Chromosome study in seven Allium species. Mem. Ehime Univ. Sci. Ser. B(Biol.) 6(1): 1--9-.~~- 71-2QO KURITA, M., & Y. KUROKI. 1971. Four karyotypes of Rumex acetosa L. Bot. Mag.(Tokyo) SQ: 293-298.
  Allium cepa L. Allium cepa L. 8   IPCN75-78 C.L. Kaul 1975
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Kim 1974
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Vosa 1977
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Fiskesjo 1975
  Allium cepa L. Allium cepa L. 8   IPCN75-78 Koul et al. 1976b
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Tanaka & Tanaka 1975
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Tanaka & Taniguchi 1975
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Taniguchi et al. 1975
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Murin 1978
  Allium cepa L. Allium cepa L.   16 IPCN75-78 Bochantseva 1972
  Allium cepa L. Allium cepa L.   16 IPCN73-74 MURIN, A., & V. FERAKOVA. 1973. Karyotypes of ~orne cultivated specie! of the genus Allium. Biologia (Bratislava) 28: Ser. A: 65-71.
  Allium cepa L. Allium cepa L.   16 IPCN73-74 SEN, S. 1973. Structural hybridity intra-and interspecific level in Liliales. Folia Biol. (Cracow) 21: 83-197.
  Allium cepa L. Allium cepa L. 8   IPCN73-74 MCCOLLUM, G.D. 1974. Chromosome behaviour and sterility of hybrids between the common onion, Allium cepa, and the related wild~ oschaninii. Euphytica 23: 699-709.
  Allium cepa L. Allium cepa L. 8   IPCN73-74 ZAKIROVA, R.O., & L.I. VAKHTINA. 1974. Cytophotometrical investigation of some species of the genus Allium section Cepa Prokh. and Rizirideum Don. (in Russian). Functional morphology, genetics and biockemistry of cell. 16: 67-70.
!   Allium cepa var. aggregatum G. Don Allium cepa L.   16 IPCN73-74 KOUL, A.K., & R.N. GOHIL. 1973. Cytotaxonomical conspectus of the flora of Kashmir (1) Chromosome numbers of some common plants. Phyton (Horn) 15: 57-66.
!   Allium cepa var. cepa Allium cepa L.   16 IPCN73-74 GOHIL, R.N., & A.K. KOUL. 1973. some adaptive genetic-evolutionary processes accompanying polyploidy in the Indian Alliums. Bot. Notiser 126: 426-432.
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   24 IPCN73-74 GOHIL, R.N., & A.K. KOUL. 1973. some adaptive genetic-evolutionary processes accompanying polyploidy in the Indian Alliums. Bot. Notiser 126: 426-432.
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   24 IPCN73-74 KOUL, A.K., & R.N. GOHIL. 1973. Cytotaxonomical conspectus of the flora of Kashmir (1) Chromosome numbers of some common plants. Phyton (Horn) 15: 57-66.
!   Allium cepa L. Allium cepa L.   8, 16, 18, 20, 22, 24, 26, 27, 28, 72 Kumar, 1987 Yamane, Y. 1975
!   Allium cepa L. Allium cepa L.   16 Kumar, 1987 Nemec, B. 1898, 1910; Schaffner, J.H. 1898 ; Miyake, K. 1905 ; Lundegardh, H. 1910 ; Gregoire, V. 1912; Schustow, L. von 1913 ; Mod1lewski, J. (Fedorov) ; Levan, A. 1931, 1935, 1936a; Emsweller, S.L. & Jones, H.A. 1935; Krivenko, A.A. 1935 ; Ono, Y. 1935 ; Mensinkai, S.W. 1939, 1940 ; Singh, A. 1940a ; Brumfield, R.T. 1941 ; Lorenza- Andreu, A. 1951 ; Battaglia, E. 1957b ; Bozzini, A. 1964 ; Kurita, M. 1968; Martagne, R. 1968 ; Bennett, M.D. & Rees, H. 1969 ; Wagenaar, E.B. 1969 ; Saini, S.S. & Davis, G.N. 1970 ; Cheshmedzhiev, I. 1973 ; Ved Brat, S. & Dhingra, B. 1973 ; Kaul, C.L. 1975 ; Abraham, S. et al. 1976 ; Rees, H. eta!. 1979 ; Gohil, R.N. & Kaul, R. 1980a
!   Allium cepa L. Allium cepa L.   16, 32 Kumar, 1987 D' Amato, F. 1948 ; Bhattacharyya, R. 1976
!   Allium cepa var. cepa Allium cepa L.   16 Kumar, 1987 Gohil, R.N. & Koul, A.K. 1973 Kaul, M.L.H. 1977
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   16 Kumar, 1987 Iwasa, S. 1970
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   16, 24 Kumar, 1987 Singh, F. et al. 1967 ; Singh, F. et al. (Khoshoo, T.N. 1979)
!   Allium cepa var. viviparum (Metzg.) Alef. Allium cepa L.   24 Kumar, 1987 Gohil, R.N. & Koul, A.K. 1973
!   Allium cepa L. Allium cepa L.   16,32,54 eFlora  
!   Allium cepa var. aggregatum G. Don Allium cepa L.   16 eFlora  
  Allium cepa var. cepa Allium cepa L.   16 eFlora  
  Allium aobanum Araki Allium cepa L.   16 Fedorov, 1974 Kurita 1963a (I. 1964)
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Nemec 1898a, 1910
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Schaffner 1898
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Miyake 1905
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 LundegArdh 19f0
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Gregoire 1912
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Schustow 1913
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 MoAHHeBCKHii: 1928a
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Levan 1931, 1935, 1936a
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Emsweller, Jones 193S.
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 RpHBeHKO 1935
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Ono Y. 1935
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Mensinkai 1939a, 1940
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Brumfield 1941
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Lorenzo-Andreu 1951
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Battaglia 1957c
  Allium cepa L. Allium cepa L.   16 Fedorov, 1974 Bozzini 1964
  Allium cepa L. Allium cepa L.   16, 32 Fedorov, 1974 D'Amato 1948a
!   Allium ascalonicum auct. Allium cepa L.   16 Darlington, 1955 Levan 1931
!   Allium cepa L. Allium cepa L.   16, 32 Darlington, 1955 RV " Persia
!   Allium cepa L. Allium cepa L.   16 C-values database Van't Hof J. 1965. Relationships between mitotic cycle duration S period duration and average rate of DNA synthesis in root meristem cells of several plants. Experimental Cell Research 39: 48-58.
  Allium cepa L. Allium cepa L.   16 Cave1958 Battaglia 1957a
!   Allium cepa L. Allium cepa L.   16 Cave1962 Shimizu 1962b
!   Allium cepa L. Allium cepa L. 8   Cave1963 Lima-de-Faria & B. 1962
  Allium cepa L. Allium cepa L.   16 Cave1963 GimJnez-Mart{n 1961; Battaglia 1963b