Goosegrass (Eleusine indica L. Gaertn.) is a troublesome weed in turfgrass systems throughout the world. The development of herbicide resistant ecotypes has occurred to multiple modes of action. Goosegrass is a prolific seed producer (~50,000 per plant), fast growing and diverse weed. Such growing attributes make it essential to have a better understanding of the genetic diversity of various ecotypes. The objectives of this study were to determine if morphologically distinct goosegrass ecotypes collected in Florida were phenotypically distinct and genetically different. Phenotypically, the goosegrass ecotypes can be classified as follows; dwarf, intermediate 1 (int_I), intermediate 2 (int_II) and wild. The dwarf had the least seedheads followed by the wild ecotype; 5 and 17 respectively, while int_I and int_II had highest number of seedheads; 22 and 34 respectively. The dwarf ecotype had lowest height of 6 cm and the wild ecotype had highest height of 36 cm. Dwarf and int_II ecotypes had shortest internode length of 0.2 cm and 1 cm, respectively, while the wild ecotype had longest internode length of 7 cm. The dwarf ecotype had lowest number of racemes per plant of 1, while the wild ecotype had highest number of racemes per plant of 7. Total biomass was lowest for the dwarf and int_II ecotype; 0.7 g and 1.5 g, respectively, and total biomass was highest for the wild ecotype at 5 g. Gene sequencing of two rice (Oryza) gene sequences (accession AP014964 (gene A) and AP014965 (gene B)) and subsequent phylogenetic analysis suggest the ecotypes are genetically different. Three single nucleotide polymorphisms (SNP) of interest were discovered indicating allelic differences between ecotypes.
The use of enzyme linked immunosorbent assay (ELISA) for the detection of plant viruses is well documented. It proved to be a very valuable detection tools for the plant viruses. The efficiency of the ELISA technique was for practical purpose independent of the ratio of antibodies to antigen. This avoids the necessity of making specific enzyme conjugates for each antigen to be tested and eliminates the extreme specificity, thus allowing for quantitative evaluation of strain relationships. The advantages of indirect ELISA are sample. It needs only to be macerated and added to the plate. The crude antiserum could be used, although it should be cross absorbed before to prevent spurious host reaction. Single commercially available second antibody conjugate is utilized, thus eliminating the problems of preparing and storing many different conjugated antisera. Blotting technique has become widely used for specific identification of nucleic acid and proteins. This dot assay was modified to detect protein by spotting the antigen on a nitrocellulose membrane and incubating the membrane in test antibody followed by incubation in peroxidase-conjugated second antibody to the first antibody, and by development in 4-chloro-1-naphthol. The above procedure termed dot blot immunobinding assay (DBIA). The technique of tissue blotting on nitrocellulose membrane was described for detection of plant viruses in infected plants. Tissue blots were made by pressing with a firm and gentile force, the freshly cut tissue surface on nitrocellulose membranes. The possibility of using both sides of the nitrocellulose membrane (NCM) by tissue blot immuno assay (TBIA) for the detection plant viruses. In an effort to reduce the cost of virus assays, different types of regular paper were evaluated as possible replacements for the commonly used nitrocellulose membrane (NCM) as the solid phase in the tissue-blot immunoassay (TBIA) were used. Comparisons between different serological methods were demonstrated by many investigators Dot immunobinding was eight times more sensitive for detection of PVX and four times more sensitive for detection of PVS and PVY than DAS-ELISA.
Physicochemical and pharmacological studies indicated that Filicium decipiens seeds contained various specialized metabolites, including saponins. The aim of this work is to reveal the nephrotoxicity of FDS, a saponin isolated from Filicium decipiens seeds on male Wistar rats histopathological and biochemical parameters. Rats were submitted to oral ingestion of FDS (6.0 mg/kg) and crude extract (120.0 mg/kg) and were observed high levels of urea and creatinine in blood analyses of all animals followed by an acute renal failure by glomerular retraction. In the present study, FDS and crude extract when administered in Wistar rats induced an increase of serum levels of Urea and Creatinine, biochemical markers of kidney function. Table 1 shows Urea concentration at Test group with FDS (54.3 ± 1.80 mg/ml) and Test group with crude extract (49.7 ± 2.00 mg/ml), were 47% and 34.7% higher, respectively, when compared to control group (36.9 ± 2.00 mg/ml), and Creatinine at the test group with FDS (2.1 ± 0.03 mg/ml) and test group with crude extract (1.6 ± 0.09 mg/ml) presented a value 3.5 and 2.8 times higher, respectively, than control (0.6 ± 0.08 mg/ml). Based on these results, our data demonstrate a significant effect in renal function of rats treated with F. decipiens saponin.
The nematicidal efficacy of abamectin, boron, chitosan, hydrogen peroxide, Bacillus thuringiensis and oxamyl 24% SL against citrus nematode, Tylenchulus semipenetrans were examined on Valencia orange trees under field condition for two successive seasons (2017 and 2018). The experiment was conducted in a Valencia orange orchard infested with citrus nematode at Nubaria, El-Behera governorate, Egypt. The obtained results showed that all the tested treatments reduced nematode final population ((Pf) and reproduction factor (Rf) compared with that obtained from the untreated trees. The highest percentages of Pf reductions (74.5-83.4 %) and (70%-82%) were recorded with oxamyl, boron, abamectin, chitosan and H2O2 in the 1st and the 2nd tested seasons, respectively. Whereas, B. thuringiensis had the least nematode Pf reduction with 60.7 and 55.8% in the 1st and 2nd seasons, respectively. Additionally, all treatments significantly improved orange yield (30.9-83.2% increase), physical fruit parameters and orange juice properties. The highest orange yield increase (83.2%) was recorded with boron treatment followed by oxamyl (70.3%). Also, boron increased total soluble solids (TSS) by 13.6%, volume of orange juice (36.4%) and vitamin C (19.7%) and decreased juice acidity (A) by (16.7%). It is concluded that abamectin, boron and the other tested compounds have potential as non-chemical control strategy tools in managing the citrus nematode. These bioagents reduced the amount of traditional chemical nematicides and are considered to be environmentally safe.
With the rapid shift to telemedicine during the COVID-19 pandemic, clinicians have faced unprecedented demands in adapting to prolonged virtual consultations. This has given rise to “Zoom fatigue,” a form of mental and emotional exhaustion associated with extended video-based interactions. While the Zoom Exhaustion and Fatigue Scale (ZEFS) has been widely applied in studies involving students and office workers, there is limited research on its relevance to clinicians. Physicians, in particular, often conduct hours of uninterrupted virtual patient care, which can potentially lead to significant neurocognitive strain. This study explores the impact of prolonged virtual consultations on clinician well-being, employing ZEFS alongside the Depression, Anxiety, and Stress Scale (DASS-21) and Satisfaction with Life Scale (SWLS) to assess emotional and cognitive outcomes. Findings suggest that the increased cognitive load, reduced non-verbal communication, and digital interface stress contribute to higher levels of fatigue, anxiety, and dissatisfaction, highlighting the urgent need for systemic support and ergonomic telehealth practices.
Aims: The study was conducted from January to June 2023 to observe the prevalence of repeat breeding syndrome in cows, to isolate and identify the bacteria with their molecular confirmation, and antibiotic sensitivity in Bangladesh. Study design & Place and duration of study: The study was conducted under the supervision of the Department of Medicine, Surgery, and Obstetrics, Hajee Mohammad Danesh Science and Technology University, Dinajpur-5200. Some laboratory work was performed at the Microbiology Department of Pathology and Parasitology laboratory, HSTU, from January to June 2023.Methodology: A questionnaire was used to identify repeat breeding syndrome. Bacteria were isolated and identified from the cervical mucus of affected cows. For confirmation of the detected bacteria, PCR was used. The agar disc diffusion method was utilized to investigate the antibiotic sensitivity of the detected isolates against widely used antibiotics in vitro. Results: The prevalence of Repeat Breeding (RB) was 41.33%. The prevalence of E. coli was 40%, Staphylococcus aureus 40% and Klebsiella spp. 10%. Molecular detection of E. coli and Staphylococcus aureus was confirmed by using Eco 223 (F), Eco 455 (R), Sau 234(F), and Sau 1501(R) primers. The target genes were 16S and 23S rRNA, and the size of the product amplified at 232 bp and 1267 bp, respectively. According to the antibiogram profile, E. coli was resistant to ciprofloxacin, penicillin, tetracycline, amoxicillin, and erythromycin, but sensitive to ceftriaxone and gentamicin. While Staphylococcus aureus was resistant to ampicillin and erythromycin, it was sensitive to ciprofloxacin, ceftriaxone, and levofloxacin. It was also intermediately resistant to vancomycin and amoxicillin. Klebsiella spp. Showed resistance to ceftriaxone, penicillin, and amoxicillin, while remaining sensitive to ciprofloxacin, tetracycline, and intermediate resistance to erythromycin and gentamicin. Conclusion: This study concluded that E. coli, Staphylococcus aureus, and Klebsiella spp. are the most common bacteria causing repeat breeding syndrome in cows.
Pulak Azad*, Lakshmi Kant Jha, Yasir Sultan Rizvi and Pranav Tyagi
Published on: 4th February, 2025
Amyloidosis-associated kidney disease commonly manifests with chronic glomerular symptoms including heavy proteinuria predominantly albuminuria. Clinical presentation ranges from full-blown nephrotic syndrome, hematuria, and hypertension to renal failure. In India patients with chronic kidney disease are mainly attributed to hypertension and diabetes but an underlying etiology such as amyloidosis needs to be unearthed and shouldn’t be ignored as an etiology. We report a case of a 60-year-old man with hypertension and hypothyroidism who presented with frothy urine for several years, b/l pedal edema for 15 days. Over the past 3 months, there was a serial increase in creatinine. As per CKD-EPI equation, the patient was CKD-4. As the patient was suspected to be rapidly progressive renal failure; a renal biopsy was planned. Biopsy reports were suggestive of Amyloidosis. Glomerular, vascular, and tubulointerstitial deposition of amyloid was seen. Based on renal biopsy and IHC staining; the patient’s diagnosis was AA-associated secondary renal amyloidosis. Thus in this case renal amyloidosis was an unearthed etiology.
Melba Sardi, Herberto Repetto, Patricia Chenlo, Julia Ariagno and Gabriela Mendeluk*
Published on: 19th August, 2024
Introduction: Extracellular Traps (ETs) are fibers composed of chromatin and cytoplasmic proteins, which can trap and kill pathogens by the phenomenon called ETosis. They are released by neutrophils, macrophages, and monocytes, and can be found in semen. The aim of this presentation is to evidence of the indirect effect of SARS-CoV-2 in semen by ETs.Patients and methods: Experimental design: retrospective descriptive observational study.Semen samples from two groups were studied following WHO guidelines: 1) SARS-CoV-2 infected donors (n: 5; at 7, 15, 30, 60, and 90 days after PCR diagnosis); 2) COVID-19 positive patients assisted in our laboratory between 2021 and 2022 (n: 70). They were observed in fresh and in Papanicolaou-stained smears by CASA and light microscopy; the presence of macrophages, spermiophages, ETs and hyperviscosity were recorded while neutrophilic concentration was calculated. Two control groups were designed: a) Patients belonging to group 2, studied before de pandemia (n: 13); b) Culture-negative semen samples (n: 28).Results: In the first group, ETs were observed in all the samples, while only 18% had leucospermia. Macrophages, spermiophages, and hyperviscosity were recorded in 68%, 27%, and 36% of the studied cases respectively.In the second group, ETs were present 100% in the acute phase (< 90 days after diagnosis) and decreased to 71% in the later stage (90 to 270 days). The trapped sperm were non-progressive motile or immotile alive or dead.No traps were found in either control group.Conclusion: In our study ETs were the most sensitive seminal marker of SARS-CoV-2 infection.
Paribello Giuseppe*, Papa Fortuna, Ganzerli Maria Chiara, Del Prete Chiara, Capuano Ivana, Pacella Daniela, Sannino Giuseppina, Rompianesi Gianluca, Pisani Antonio and Riccio Eleonora
Published on: 28th February, 2024
Peritoneal dialysis (PD) is a well-tolerated home renal replacement therapy for patients with end-stage renal disease. One of the critical points for the success of a PD program is the care of the peritoneal catheter and the exit site. A target for the incidence of infections/year should not exceed 0,40. The aim of the study was to observe whether our exit-site cleansing and dressing method, which involves the application of silver-releasing dressing may be associated with a reduction in the incidence of exit-site infections compared to the data reported in the literature.The data of 51 patients attending the Peritoneal Dialysis DH of the AOU Federico II in Naples in the period between July 2021 and September 2023 were analyzed.Overall, 27670 catheter days were analyzed with an average incidence of 0.23 infections/year/patient. The average incidence (0.23) is lower than the target suggested by the ISPD (0.4 infections/year/patient) and the average estimated in the USA (0.5-0.6 infections/year/patient). The average incidence from 2021 to 2023, equal to 0.23 episodes/year/patient, is therefore lower than the incidence of 2014-2015 (0.38 episodes/year/patient), a two-year period in which we did not use dressings with silver Exit-Pad.The use of Exit-Pad silver ion-releasing dressings Ag may further hinder the development of such infections by reducing the failure of peritoneal treatment and the transition to hemodialysis.
Mehdi Khemiss*, Zoubaier Baya, Fathi Haddaoui and Moncef Bey
Published on: 21st May, 2025
Bruxism, characterized by involuntary, repetitive jaw-muscle activity including clenching and grinding of teeth, can lead to significant dental and muscular complications. Conventional treatments—such as occlusal splints and behavioral therapy-may not fully address muscular hyperactivity. Botulinum toxin type A (BoNT-A), a neurotoxin that inhibits acetylcholine release at neuromuscular junctions, has emerged as a promising therapeutic option. This article reviews clinical studies regarding the efficacy of BoNT-A injections into masticatory muscles for bruxism management, with a focus on clinical outcomes, safety, and practical considerations.
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