scholarly journals Rachis brittleness in a hybrid–parent barley ( Hordeum vulgare ) breeding germplasm with different combinations at the non‐brittle rachis genes

2019 ◽  
Vol 139 (2) ◽  
pp. 317-327 ◽  
Author(s):  
Miriam Fernández‐Calleja ◽  
Ana M. Casas ◽  
Antonio Pérez‐Torres ◽  
Maria Pilar Gracia ◽  
Ernesto Igartua
Keyword(s):  
Hordeum Vulgare ◽  
Brittle Rachis ◽  
Breeding Germplasm

scholarly journals High-resolution linkage mapping for the non-brittle rachis locus btr1 in cultivated × wild barley (Hordeum vulgare)

Plant Science ◽  
2006 ◽  
Vol 170 (6) ◽  
pp. 1087-1094 ◽  
Author(s):  
Perumal Azhaguvel ◽  
Dhanasekaran Vidya-Saraswathi ◽  
Takao Komatsuda
Keyword(s):  
High Resolution ◽  
Hordeum Vulgare ◽  
Linkage Mapping ◽  
Wild Barley ◽  
Brittle Rachis

Ultrastructure of Plant Leaf Tissue Infected with Mite-Borne Viral-Like Pathogens

1970 ◽  
Vol 28 ◽  
pp. 178-179 ◽  
Author(s):  
O. E. Bradfute ◽  
R. E. Whitmoyer ◽  
L. R. Nault
Keyword(s):  
Triticum Aestivum ◽  
Zea Mays ◽  
Electron Microscope ◽  
Hordeum Vulgare ◽  
Microscope Study ◽  
Electron Microscope Study ◽  
Leaf Tissue ◽  
Leaf Ultrastructure ◽  
Double Membrane ◽  
Aceria Tulipae

A pathogen transmitted by the eriophyid mite, Aceria tulipae, infects a number of Gramineae producing symptoms similar to wheat spot mosaic virus (1). An electron microscope study of leaf ultrastructure from systemically infected Zea mays, Hordeum vulgare, and Triticum aestivum showed the presence of ovoid, double membrane bodies (0.1 - 0.2 microns) in the cytoplasm of parenchyma, phloem and epidermis cells (Fig. 1 ).

Ultrastructure and Senescence in an Achloroplastic Mutant of Hordeum vulgare L. cv. Dyan

1992 ◽  
Vol 50 (1) ◽  
pp. 844-845
Author(s):  
R.H.M. Cross ◽  
C.E.J. Botha ◽  
A.K. Cowan ◽  
B.J. Hartley
Keyword(s):  
Cell Wall ◽  
Hordeum Vulgare ◽  
Leaf Tissue ◽  
Ultrastructural Changes ◽  
Hordeum Vulgare L ◽  
Mesophyll Cells ◽  
Lethal Mutant ◽  
Cytoplasmic Matrix ◽  
Close Proximity ◽  
Pinocytotic Vesicles

Senescence is an ordered degenerative process leading to death of individual cells, organs and organisms. The detection of a conditional lethal mutant (achloroplastic) of Hordeum vulgare has enabled us to investigate ultrastructural changes occurring in leaf tissue during foliar senescence.Examination of the tonoplast structure in six and 14 day-old mutant tissue revealed a progressive degeneration and disappearance of the membrane, apparently starting by day six in the vicinity of the mitochondria associated with the degenerating proplastid (Fig. 1.) where neither of the plastid membrane leaflets is evident (arrows, Fig. 1.). At this stage there was evidence that the mitochondrial membranes were undergoing retrogressive changes, coupled with disorganization of cristae (Fig. 2.). Proplastids (P) lack definitive prolamellar bodies. The cytoplasmic matrix is largely agranular, with few endoplasmic reticulum (ER) cisternae or polyribosomal aggregates. Interestingly, large numbers of actively-budding dictysomes, associated with pinocytotic vesicles, were observed in close proximity to the plasmalemma of mesophyll cells (Fig. 3.). By day 14 however, mesophyll cells showed almost complete breakdown of subcellular organelle structure (Fig. 4.), and further evidence for the breakdown of the tonoplast. The final stage of senescence is characterized by the solubilization of the cell wall due to expression and activity of polygalacturonase and/or cellulose. The presence of dictyosomes with associated pinocytotic vesicles formed from the mature face, in close proximity to both the plasmalemma and the cell wall, would appear to support the model proposed by Christopherson for the secretion of cellulase. This pathway of synthesis is typical for secretory glycoproteins.

Differential accumulation of methyl jasmonate-induced mRNAs in response to abscisic acid and desiccation in barley (Hordeum vulgare)

1992 ◽  
Vol 86 (1) ◽  
pp. 49-56 ◽  
Author(s):  
Steffen Reinbothe ◽  
Christiane Reinbothe ◽  
Jorg Lehmann ◽  
Benno Parthier
Keyword(s):  
Abscisic Acid ◽  
Hordeum Vulgare ◽  
Methyl Jasmonate

Effect of cellulase fractionation on the viability of cultured barley (Hordeum vulgare) protoplasts

1990 ◽  
Vol 80 (1) ◽  
pp. 119-125
Author(s):  
Helle Krogaard ◽  
Arne Skytt Andersen
Keyword(s):  
Hordeum Vulgare

Differential localization of two acid proteinases in germinating barley (Hordeum vulgare) seed

1995 ◽  
Vol 93 (2) ◽  
pp. 317-327 ◽  
Author(s):  
Salla Marttila ◽  
Berne L. Jones ◽  
Anita Mikkonen
Keyword(s):  
Hordeum Vulgare ◽  
Differential Localization

Expression of beta-galactosidase multiple forms during barley (Hordeum vulgare) seed germination. Separation and characterization of enzyme isoforms

1991 ◽  
Vol 82 (3) ◽  
pp. 413-418 ◽  
Author(s):  
Thomas Giannakouros ◽  
Athanasios Karagiorgos ◽  
George Simos
Keyword(s):  
Hordeum Vulgare ◽  
Seed Germination ◽  
Multiple Forms ◽  
Enzyme Isoforms ◽  
Beta Galactosidase
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