any of the stages prior to embryo formation in plants
Examples of 'proembryo' in a sentence
proembryo
Fibrillar material was observed during the transition from proembryo to globular stage.
Totik Sri Mariani, Hiroshi Miyake, Yoji Takeoka 1998, 'Changes in Surface Structure during Direct Somatic Embryogenesis in Rice ScutellumObserved by Scanning Electron Microscopy', Plant Production Sciencehttp://dx.doi.org/10.1626/pps.1.223. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For the first time, we examined tobacco proembryo division patterns detailed to every cell division.
Yu Miao, Zhao Jie 2012, 'The cytological changes of tobacco zygote and proembryo cells induced by beta-glucosylYariv reagent suggest the involvement of arabinogalactan proteins in cell divisionand cell plate formation', BMC Plant Biologyhttp://www.biomedcentral.com/1471-2229/12/126. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Half of the mutants in this group were blocked in the proembryo and transition stages.
Dale C. Brunelle, Janice K. Clark, William F. Sheridan 2017, 'Genetic Screening for EMS-Induced Maize Embryo-Specific Mutants Altered in EmbryoMorphogenesis', G3: Genes, Genomes, Geneticshttp://g3journal.org/lookup/doi/10.1534/g3.117.300293. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These embryogenic cells underwent a series of organized divisions and formed the proembryo with a well-defined protodermis.
Rafael Vega, Nelly Vásquez, Ana M Espinoza, Andrés M Gatica, Marta Valdez-Melara 2009, 'Histology of somatic embryogenesis in rice (Oryza sativa cv. 5272)', Revista de Biología Tropicalhttp://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442009000500013&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The surface of proembryo was smooth.
Totik Sri Mariani, Hiroshi Miyake, Yoji Takeoka 1998, 'Changes in Surface Structure during Direct Somatic Embryogenesis in Rice ScutellumObserved by Scanning Electron Microscopy', Plant Production Sciencehttp://dx.doi.org/10.1626/pps.1.223. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The proembryo stage and globular, heart-shaped, torpedo and cotyledonary embryo stages were found, closely resembling the ontogeny of zygoticembryos.
Karla Galvão Bezerra dos Santos, Jorge Ernesto de Araújo Mariath, Maria Cecília C.Moço, Maria Helena Bodanese-Zanettini 2006, 'Somatic embryogenesis from immature cotyledons of soybean (Glycine max (L.) Merr.):ontogeny of somatic embryos', Brazilian Archives of Biology and Technologyhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000100006. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A number of regularities were found in the direction, succession, and distribution of segmental and differentiating divisions of the proembryo.
Teresa Tykarska 2015, 'Rape embryogenesis I. The proembryo development', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/4955. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The boundaries between the epicotyl, hypocotyl and radicle are recognized and identified with the limits between the proembryo segments.
Miezcysław Kuraś 2015, 'Activation of embryo during rape (Brassica napus L.) seed germination. I. Structureof embryo and organization of root apical meristem', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/4863. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)