Search
Search Results
-
Trinity of G-tetrads and origin of translation
BackgroundThe RNA world hypothesis cannot address most of the questions of the origin of life without violating the continuity principle (small...
-
ElTetrado: a tool for identification and classification of tetrads and quadruplexes
BackgroundQuadruplexes are specific structure motifs occurring, e.g., in telomeres and transcriptional regulatory regions. Recent discoveries...
-
Chaotic spindles causes abnormal chromosome behavior in an interspecific sexual hybrid of Urochloa
Intra- and interspecific hybridization in the genus Urochloa is complex due to apomixis and polyploidy. Such barriers can be overcome by crossing...
-
High-Throughput Fluorescent Pollen Tetrad Analysis Using DeepTetrad
Meiotic recombinationRecombination initiates from ~100–200 s of programmed DNA double stranded breaks (DSBs) in plants. Meiotic DSBs can be repaired...
-
Cytological Analysis of Male-Sterile MS5 Japanese Cedar (Cryptomeria japonica D. Don) and Comparison with Other Male-Sterile Mutants
Cryptomeria japonica D. Don is a model plant for studying male sterility in conifers. To date, five male sterile loci have been identified by...
-
Morpho-anatomical novelties of a dwarf Syagrus (Arecaceae) of canga: implications for ecology, conservation, and taxonomy
Canga are ferruginous campos rupestres with edapho-climatic harshness and high levels of biodiversity and endemism. They are also subjected to...
-
Cytological and transcriptomic analyses provide insights into the pollen fertility of synthetic allodiploid Brassica juncea hybrids
Key messageImbalanced chromosomes and cell cycle arrest, along with down-regulated genes in DNA damage repair and sperm cell differentiation, caused...
-
Histological, Cytological, and Ultrastructural Analysis of a Novel Sesame Mutant JQA Showing Wrinkled Leaf and Abort Anther
The leaf is the most important organ for photosynthesis; a moderately curly leaf is beneficial for improving the light energy utilization rate. Male...
-
Stamen and pollen development in Menispermaceae with contrasting androecium structure
In Menispermaceae, stamens can occur as free stamens or synandrous stamens, but few studies have investigated the development of these different...
-
Cytogenetic analysis of meiotic behaviour and stability in a trigeneric hybrid (triticale x trigopiro)
Trigeneric hybrids in Triticeae may help to establish evolutionary relationships among different genomes present in the same cellular genetic...
-
Pollen morphology of selected species of Cucurbitaceae Juss. from the Cerrado
Pollen morphology of six native and two sub-spontaneous species of Cucurbitaceae found in the state of Goiás, Midwest Region of Brazil were analyzed...
-
Callose deposition analysis with special emphasis on plasmodesmata ultrastructure during megasporogenesis in Sedum (Crassulaceae)
In this study, the results of the first detection of callose within the ovules of the representatives of the family Crassulaceae are presented. This...
-
Effectiveness of Create ML in microscopy image classifications: a simple and inexpensive deep learning pipeline for non-data scientists
Observing chromosomes is a time-consuming and labor-intensive process, and chromosomes have been analyzed manually for many years. In the last...
-
First detection of endopolyploidy in tapetal cells and chromosomal anomalies in meiocytes of Viola pilosa cytotypes (2n=20) from Pir Panjal (Himalayas)
The nine Viola pilosa Blume populations studied from Pir Panjal contained 20 chromosomes. This count is not reported so far in Indian populations....
-
Quadruplex World
The RNA world hypothesis relies on the double-helix complementarity principle for both replication and catalytic activity of RNA. However, the de...
-
Development, phenol and flavonoid content, and allergenicity of Juniperus polycarpus pollen
J. polycarpus K. Koch is a dioecious, wind-pollinated tree of Cupressaceae family. Morphological and anatomical study of male cone development of J....
-
Comparative transcriptome and DNA methylation analysis in temperature-sensitive genic male sterile wheat BS366
BackgroundKnown as the prerequisite component for the heterosis breeding system, the male sterile line determines the hybrid yield and seed purity....
-
Embryological studies in Thinouia mucronata and Serjania meridionalis (Paullinieae, Sapindaceae): development of gametophytes in both floral morphs and its phylogenetic implications
The tribe Paullinieae is distinguished by a monoecious reproductive system; it exhibits two floral morphs, namely staminate flowers, with gynoecium...
-
Genetic Model Organisms
Model organisms are non-human species used for studying biological processes in laboratories. They are selected based on advantageous properties such...
-
Development of male and female gametophytes and embryogenesis in the Arabidopsis thaliana
Sporogenesis and gametophytes development in Arabidopsis thaliana ( Brassicaceae ) was studied. Arabidopsis thaliana was selected for this study as a...
