lateral branch
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VAVILOVIA ◽  
2022 ◽  
Vol 4 (2) ◽  
pp. 26-43
Author(s):  
A. M. Kamnev ◽  
N. D. Yagovtseva ◽  
S. E. Dunaeva ◽  
T. A. Gavrilenko ◽  
I. G. Chukhina

This article is devoted to designing nomeclatural standars and herbarium vouchers of raspberry cultivars bred in the M.A. Lisavenko Research Institute of Horticulture for Siberia. The article presents nomeclatural standards of cultivars ‘Barnaul’skaya’, ‘Blesk’, ‘Dobraya’, ‘Zoren’ka Altaya’, ‘Illyuziya’, ‘Kredo’ and ‘Rubinovaya’. The work has been performed according to the rules and recommendations outlined in the International Code of Nomenclature for Cultivated Plants and guidelines developed for the vegetatively propagated plants. The material for nomenclatural standards should be collected with assistance of either the cultivar author, a representative of the institution owning the cultivar, or an expert in these cultivars. Therefore, material of the cultivars in question was picked with assistance of N.D. Yagovtseva, a representative of the Lisavenko Institute and author of two cultivars ‘Blesk’ and ‘Dobraya’. Nomenclatural standards contain two herbarium sheets with parts of one plant collected at the same time: the first sheet holds the middle third of a primocane and a leaf from this part, while the second one displays the middle third of a floricane and a lateral branch with fruits. Also, the specimens were supplied with photos of fruits taken before herbarization. The nomenclature standards have been deposited with the Herbarium of cultivated plants, their wild relatives, and weeds (WIR).


2021 ◽  
pp. 75-82
Author(s):  
Benjamin K. Homra ◽  
Yashar Eshraghi ◽  
Maged Guirguis

The posterior sacral network is a complex meshwork of lateral branches of the dorsal sacral rami that innervate the posterior aspect of the sacroiliac joint. Pain arising from this joint can be diagnostically targeted using either a fluoroscopic or ultrasound technique to determine if the patient would benefit from radiofrequency ablation of the lateral branches. Injecting local anesthetic near the dorsal foramina using these techniques will temporarily block the transmission of pain by the lateral branches from the sacroiliac joint. This chapter covers the anatomy of the posterior sacral network, discusses the details of the two techniques for lateral branch blocks and evidence for their utility, provides information about the risks and contraindications associated with the techniques, and concludes by discussing the implications of the procedure.


2021 ◽  
pp. 83-92
Author(s):  
Haider M. Ali ◽  
Yashar Eshraghi ◽  
Maged Guirguis

Radiofrequency ablation (RFA) is a revolutionary procedure in the practice of pain management that can be used in the treatment of sacroiliac joint pain syndromes. It is a technology that uses radiofrequency needle probes to create lesions by way of localized tissue destruction. It is indicated for patients with chronic sacroiliac joint pain who have had a positive response to a lateral branch block. This procedure typically provides at least 6 and up to 12 months of significant pain relief and can be repeated. Practitioners should be well versed in the different evolving methods for RFA as well as its evidence, relevant anatomy, the technology used in RFA, and the complications that may occur with this procedure and how to prevent them. This chapter explores these principles and presents the relevant findings from the literature for this innovative procedure for sacroiliac joint pain.


2021 ◽  
Author(s):  
Junling Dou ◽  
Huihui Yang ◽  
Dongling Sun ◽  
Sen Yang ◽  
Shouru Sun ◽  
...  

Abstract Lateral branching is one of the most important traits, which directly determines plant 27 architecture and crop productivity. Commercial watermelon has the characteristics of multiple 28 lateral branches, and it is time-consuming and labor costing to manually remove the lateral 29 branches in traditional watermelon cultivation. In our present study, a lateral branchless trait was 30 identified in watermelon material W CZ, and genetic analysis revealed that it was controlled by a 31 single recessive gene, which named as Clbl . A bulked segregant sequencing (BSA seq) and 32 linkage analysis was conducted to primarily mapping of Clbl on watermelon chromosome 4 33 Next-generation sequencing aided marker discovery and a large mapping population consisting of 34 1406 F 2 plants was used to further mapped the Clbl locus into a 9011 bp candidate region which 35 harbored only one candidate gene Cla018392 encoding a TERMINAL FLOWER 1 gene. Sequence 36 comparison of Cla018392 between two parental lines revealed that there was a SNP detected from 37 C to A in the coding region in the branchless inbred line WCZ , which resulted in a mutation of 38 Alanine (GCA) to Glutamate (GAA) at the fourth exon A dCAPS marker was developed from the 39 SNP locus, which was co-segregated with the branchless phenotype in both BC 1 and F 2 population, 40 and it was also further validated in 152 natural watermelon accessions. qRT PCR and in situ 41 hybridization showed that the expression levels of Cla0 18392 was significantly reduced in the 42 axillary bud and apical bud in the branchless line WCZ Ectopic expression of ClTFL1 in 43 Arabidopsis showed an increased number of lateral branches. The results of this study will be 44 useful for better understanding the molecular mechanism of lateral branch development in 45 watermelon and for the development of marker-assisted selection (MAS) for new branchless 46 watermelon cultivars.


2021 ◽  
pp. ASN.2020101459
Author(s):  
Meredith P. Schuh ◽  
Lyan Alkhudairy ◽  
Andrew Potter ◽  
S. Steven Potter ◽  
Kashish Chetal ◽  
...  

BackgroundMost nephrons are added in late gestation. Truncated extrauterine nephrogenesis in premature infants results in fewer nephrons and significantly increased risk for CKD in adulthood. To overcome the ethical and technical difficulties associated with studies of late-gestation human fetal kidney development, third-trimester rhesus macaques served as a model to understand lateral branch nephrogenesis (LBN) at the molecular level.MethodsImmunostaining and 3D rendering assessed morphology. Single-cell (sc) and single-nucleus (sn) RNA-Seq were performed on four cortically enriched fetal rhesus kidneys of 129–131 days gestational age (GA). An integrative bioinformatics strategy was applied across single-cell modalities, species, and time. RNAScope validation studies were performed on human archival tissue.ResultsThird-trimester rhesus kidney undergoes human-like LBN. scRNA-Seq of 23,608 cells revealed 37 transcriptionally distinct cell populations, including naïve nephron progenitor cells (NPCs), with the prior noted marker genes CITED1, MEOX1, and EYA1 (c25). These same populations and markers were reflected in snRNA-Seq of 5972 nuclei. Late-gestation rhesus NPC markers resembled late-gestation murine NPC, whereas early second-trimester human NPC markers aligned to midgestation murine NPCs. New, age-specific rhesus NPCs (SHISA8) and ureteric buds (POU3F4 and TWIST) predicted markers were verified in late-gestation human archival samples.ConclusionsRhesus macaque is the first model of bona fide LBN, enabling molecular studies of late gestation, human-like nephrogenesis. These molecular findings support the hypothesis that aging nephron progenitors have a distinct molecular signature and align to their earlier human counterparts, with unique markers highlighting LBN-specific progenitor maturation.


Forests ◽  
2021 ◽  
Vol 12 (3) ◽  
pp. 322
Author(s):  
Yang Zhou ◽  
Yuanjun Ye ◽  
Lu Feng ◽  
Ye Zhang ◽  
Qifang Lin ◽  
...  

Plant architecture improvement is of great significance in influencing crop yield, harvesting efficiency and ornamental value, by changing the spatial structure of the canopy. However, the mechanism on plant architecture in woody plants is still unclear. In order to study the genetic control of plant architecture traits and promote marker-assisted selection (MAS), a genetic linkage map was constructed, and QTL mapping was performed. In this study, using 188 BC2 progenies as materials, a genetic map of Lagerstroemia was constructed using amplification fragment length polymorphisms (AFLP) and simple sequence repeats (SSR) markers, and the QTLs of four key plant architecture traits (plant height, crown width, primary lateral branch height and internode length) were analyzed. The genetic map contains 22 linkage groups, including 198 AFLP markers and 36 SSR markers. The total length of the genome covered by the map is 1272 cM, and the average distance between markers is 6.8 cM. Three QTLs related to plant height were located in LG1, LG4 and LG17 linkage groups, and the phenotypic variation rates were 32.36, 16.18 and 12.73%, respectively. A QTL related to crown width was located in LG1 linkage group, and the phenotypic variation rate was 18.07%. Two QTLs related to primary lateral branch height were located in the LG1 and LG7 linkage groups, and the phenotypic variation rates were 20.59 and 15.34%, respectively. Two QTLs related to internode length were located in the LG1 and LG20 linkage groups, and the phenotypic variation rates were 14.86 and 9.87%. The results provide a scientific basis for finely mapping genes of plant architecture traits and marker-assisted breeding in Lagerstroemia.


Plant Science ◽  
2021 ◽  
Vol 302 ◽  
pp. 110681
Author(s):  
Junjun Shen ◽  
Danfeng Ge ◽  
Xiaofei Song ◽  
Jiajing Xiao ◽  
Xiaofeng Liu ◽  
...  

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