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Journal of Applied Genetics

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https://www.readbyqxmd.com/read/29344903/nuclear-genes-involved-in-mitochondrial-diseases-caused-by-instability-of-mitochondrial-dna
#1
REVIEW
Joanna Rusecka, Magdalena Kaliszewska, Ewa Bartnik, Katarzyna Tońska
Mitochondrial diseases are defined by a respiratory chain dysfunction and in most of the cases manifest as multisystem disorders with predominant expression in muscles and nerves and may be caused by mutations in mitochondrial (mtDNA) or nuclear (nDNA) genomes. Most of the proteins involved in respiratory chain function are nuclear encoded, although 13 subunits of respiratory chain complexes (together with 2 rRNAs and 22 tRNAs necessary for their translation) encoded by mtDNA are essential for cell function...
January 17, 2018: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29313263/genome-incompatibility-between-rainbow-trout-oncorhynchus-mykiss-and-sea-trout-salmo-trutta-and-induction-of-the-interspecies-gynogenesis
#2
Marcin Polonis, Takafumi Fujimoto, Stefan Dobosz, Tomasz Zalewski, Konrad Ocalewicz
Rainbow trout (Oncorhynchus mykiss Walbaum) and sea trout (Salmo trutta Linnaeus, 1758) show large karyotypic differences and their hybrid offspring is not viable due to unstable karyotype and chromosome fragmentation. However, gametes from these two species were used to induce gynogenetic development. Rainbow trout eggs activated by UV-irradiated sea trout sperm were subjected to high hydrostatic pressure (HHP) shock to prevent release of the 2nd polar body (early shock) or to inhibit the first cleavage (late shock) in order to produce diploid meiotic gynogenotes and gynogenetic doubled haploids (DHs), respectively...
January 8, 2018: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29275451/voice-alterations-in-patients-with-morquio-a-syndrome
#3
Krzysztof Szklanny, Ryszard Gubrynowicz, Anna Tylki-Szymańska
Morquio A syndrome, or mucopolysaccharidosis (MPS IV A), is an inherited lysosomal storage disorder which belongs to the group of mucopolysaccharidoses (MPSs). It is caused by N-acetylgalactosamine-6-sulfatase (GALNS) activity deficiency, which results in impaired degradation of glycosaminoglycans (GAGs), including keratan sulfate (KS) and chondroitin-6-sulfate (CS). These compounds infiltrate and disrupt the architecture of the extracellular matrix, compromising the integrity of the connective tissue. Patients with Morquio A have also been noted for exhibiting abnormalities of the larynx and vocal tract...
December 23, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29238920/qtl-analysis-of-falling-number-and-seed-longevity-in-wheat-triticum-aestivum-l
#4
Andreas Börner, Manuela Nagel, Monika Agacka-Mołdoch, Peter Ulrich Gierke, Michael Oberforster, Theresa Albrecht, Volker Mohler
Pre-harvest sprouting (PHS) and seed longevity (SL) are complex biological processes of major importance for agricultural production. In the present study, a recombinant inbred line (RIL) population derived from a cross between the German winter wheat (Triticum aestivum L.) cultivars History and Rubens was used to identify genetic factors controlling these two physiological seed traits. A falling number (FN) test was employed to evaluate PHS, while SL was measured using a germination test (and the speed of germination) after controlled deterioration...
December 14, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29230682/association-of-functional-markers-with-flowering-time-in-lentil
#5
Jitendra Kumar, Sunanda Gupta, Revanappa S Biradar, Priyanka Gupta, Sonali Dubey, Narendra Pratap Singh
In the present study, a diverse panel of 96 accessions of lentil germplasm was used to study flowering time over environments and to identify simple sequence repeat markers associated with flowering time through association mapping. The study showed high broad sense heritability estimate (h 2 bs=0.93) for flowering time in lentil. Screening of 534 SSR markers resulted in an identification of 75 SSR polymorphic markers (13.9%) across studied genotypes. These markers amplified 266 loci and generated 697 alleles ranging from two to 16 alleles per locus...
December 11, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29230681/the-metagenomic-approach-to-characterization-of-the-microbial-community-shift-during-the-long-term-cultivation-of-anammox-enriched-granular-sludge
#6
Slawomir Ciesielski, Krzysztof Czerwionka, Dominika Sobotka, Tomasz Dulski, Jacek Makinia
A metagenomic approach was used to investigate how the microbial community composition changes when an anammox-based granular sludge reactor is seeded with nitritation-anammox biomass from a wastewater treatment plant. In the seed sample, the abundance of Candidatus Kuenenia stuttgartiensis was similar to Candidatus Jettenia caeni (12.63 vs. 11.68%). This biomass was typical in terms of microbial nitrogen conversion; both ammonia (Nitrosomonas sp.) and nitrite (Nitrospira sp.) oxidizing bacteria were detected...
December 11, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29214520/high-density-snp-and-dart-based-genetic-linkage-maps-of-two-closely-related-oil-palm-populations
#7
Siou Ting Gan, Wei Chee Wong, Choo Kien Wong, Aik Chin Soh, Andrzej Kilian, Eng-Ti Leslie Low, Festo Massawe, Sean Mayes
Oil palm (Elaeis guineensis Jacq.) is an outbreeding perennial tree crop with long breeding cycles, typically 12 years. Molecular marker technologies can greatly improve the breeding efficiency of oil palm. This study reports the first use of the DArTseq platform to genotype two closely related self-pollinated oil palm populations, namely AA0768 and AA0769 with 48 and 58 progeny respectively. Genetic maps were constructed using the DArT and SNP markers generated in combination with anchor SSR markers. Both maps consisted of 16 major independent linkage groups (2n = 2× = 32) with 1399 and 1466 mapped markers for the AA0768 and AA0769 populations, respectively, including the morphological trait "shell-thickness" (Sh)...
December 6, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29190011/relevance-of-genetic-relationship-in-gwas-and-genomic-prediction
#8
Helcio Duarte Pereira, José Marcelo Soriano Viana, Andréa Carla Bastos Andrade, Fabyano Fonseca E Silva, Geísa Pinheiro Paes
The objective of this study was to analyze the relevance of relationship information on the identification of low heritability quantitative trait loci (QTLs) from a genome-wide association study (GWAS) and on the genomic prediction of complex traits in human, animal and cross-pollinating populations. The simulation-based data sets included 50 samples of 1000 individuals of seven populations derived from a common population with linkage disequilibrium. The populations had non-inbred and inbred progeny structure (50 to 200) with varying number of members (5 to 20)...
November 30, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29151245/hearing-impairment-caused-by-mutations-in-two-different-genes-responsible-for-nonsyndromic-and-syndromic-hearing-loss-within-a-single-family
#9
Katarzyna Niepokój, Agnieszka M Rygiel, Piotr Jurczak, Aleksandra A Kujko, Dominika Śniegórska, Justyna Sawicka, Alicja Grabarczyk, Jerzy Bal, Katarzyna Wertheim-Tysarowska
Usher syndrome is rare genetic disorder impairing two human senses, hearing and vision, with the characteristic late onset of vision loss. This syndrome is divided into three types. In all cases, the vision loss is postlingual, while loss of hearing is usually prelingual. The vestibular functions may also be disturbed in Usher type 1 and sometimes in type 3. Vestibular areflexia is helpful in making a proper diagnosis of the syndrome, but, often, the syndrome is misdiagnosed as a nonsyndromic hearing loss. Here, we present a Polish family with hearing loss, which was clinically classified as nonsyndromic...
November 18, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29147913/expression-of-tlr7-tlr9-jak2-and-stat3-genes-in-peripheral-blood-mononuclear-cells-from-patients-with-systemic-sclerosis
#10
Miša Vreća, Ana Zeković, Nemanja Damjanov, Marina Andjelković, Milena Ugrin, Sonja Pavlović, Vesna Spasovski
Systemic sclerosis (SSc) is a rare, chronic, multisystem autoimmune disease clinically characterized by progressive fibrosis of the skin and internal organs. The basic mechanism appears to involve endothelial cell injury, overproduction of extracellular matrix proteins, and aberrant immune activation. So far, there have been a few attempts to find genetic biomarkers for monitoring disease activity or for correlation with certain symptoms. In order to reveal reliable biomarkers, we analyzed the expression of four genes representing three important signaling pathways, TLR7, TLR9, and JAK2-STAT3...
November 16, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29047053/mild-zellweger-syndrome-due-to-a-novel-pex6-mutation-correlation-between-clinical-phenotype-and-in-silico-prediction-of-variant-pathogenicity
#11
Małgorzata Rydzanicz, Teresa Joanna Stradomska, Elżbieta Jurkiewicz, Ewa Jamroz, Piotr Gasperowicz, Grażyna Kostrzewa, Rafał Płoski, Anna Tylki-Szymańska
Zellweger syndrome (ZS) is a consequence of a peroxisome biogenesis disorder (PBD) caused by the presence of a pathogenic mutation in one of the 13 genes from the PEX family. ZS is a severe multisystem condition characterized by neonatal appearance of symptoms and a shorter life. Here, we report a case of ZS with a mild phenotype, due to a novel PEX6 gene mutation. The patient presented subtle craniofacial dysmorphic features and slightly slower psychomotor development. At the age of 2 years, he was diagnosed with adrenal insufficiency, hypoacusis, and general deterioration...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29019057/duplication-of-yq-and-proximal-yp-arms-with-deletion-of-almost-all-par1-including-shox-in-a-young-man-with-non-obstructive-azoospermia-short-stature-and-skeletal-defects
#12
Dino Cancemi, Alessandra Iannuzzi, Angela Perucatti, Luigi Montano, Oronzo Capozzi, Carmine Spampanato, Maria Luisa Ventruto, Maria Urciuoli, Leopoldo Iannuzzi, Valerio Ventruto
Duplications of Yq arm (and AZF) seems to be tolerated by fertile males, while mutations, deletions, duplications or haploinsufficiency of SHOX can originate a wide range of phenotypes, including short stature and skeletal abnormalities. We report a case of non-obstructive azoospermia in a young man with short stature, skeletal anomalies, normal intelligence and hormonal parameters. This male showed a very singular Y-chromosome aberration, consisting of a duplication of Yq and proximal regions of Yp, with a deletion of almost all PAR1 in Yptel, including SHOX...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28988364/genetic-parameters-for-growth-performance-fillet-traits-and-fat-percentage-of-male-nile-tilapia-oreochromis-niloticus
#13
André Luiz Seccatto Garcia, Carlos Antonio Lopes de Oliveira, Hanner Mahmud Karim, César Sary, Humberto Todesco, Ricardo Pereira Ribeiro
Improvement of fillet traits and flesh quality attributes are of great interest in farmed tilapia and other aquaculture species. The main objective of this study was to estimate genetic parameters for fillet traits (fillet weight and fillet yield) and the fat content of fillets from 1136 males combined with 2585 data records on growth traits (body weight at 290 days, weight at slaughter, and daily weight gain) of 1485 males and 1100 females from a third generation of the Aquaamerica tilapia strain. Different models were tested for each trait, and the best models were used to estimate genetic parameters for the fat content, fillet, and growth traits...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28986737/assessing-the-degree-of-stratification-between-closely-related-holstein-friesian-populations
#14
Joanna Szyda, Tomasz Suchocki, Saber Qanbari, Zengting Liu, Henner Simianer
Genomic information is an important part of the routine evaluation of dairy cattle and provides the wide availability of animals genotyped using single nucleotide polymorphism (SNP) microarrays. We analyzed 2243 Polish and 2294 German Holstein-Friesian bulls genotyped using the Illumina BovineSNP50 BeadChip. For each bull, estimated breeding values (EBVs) calculated from national routine genetic evaluation were available for production traits and for somatic cell score (SCS). Separately for each population, we estimated SNP haplotypes, pairwise linkage disequilibrium (LD), and SNP effects...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28980200/genetic-analysis-of-a-red-tilapia-oreochromis-spp-population-undergoing-three-generations-of-selection-for-increased-body-weight-at-harvest
#15
Azhar Hamzah, Ngo Phu Thoa, Nguyen Hong Nguyen
Quantitative genetic analysis was performed on 10,919 data records collected over three generations from the selection programme for increased body weight at harvest in red tilapia (Oreochromis spp.). They were offspring of 224 sires and 226 dams (50 sires and 60 dams per generation, on average). Linear mixed models were used to analyse body traits (weight, length, width and depth), whereas threshold generalised models assuming probit distribution were employed to examine genetic inheritance of survival rate, sexual maturity and body colour...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28971377/microrna-expression-profiling-in-alveolar-macrophages-of-indigenous-chinese-tongcheng-pigs-infected-with-prrsv-in-vivo
#16
Xiang Zhou, Jennifer J Michal, Zhihua Jiang, Bang Liu
Porcine respiratory and reproductive syndrome (PRRS), caused by PRRS virus (PRRSV), is one of the most serious infectious diseases in the swine industry worldwide. Indigenous Chinese Tongcheng (TC) pigs reportedly show strong resistance to PRRSV infection. The miRNA expression profiles of porcine alveolar macrophages (PAMs) of control TC pigs and those infected with PRRSV in vivo were analyzed by high-throughput sequencing to explore changes induced by infection. A total of 182 known miRNAs including 101 miRNA-5p and 81 miRNA-3p were identified with 23 up-regulated differentially expressed miRNAs (DEmiRNAs) and 25 down-regulated DEmiRNAs...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28963714/clinical-interpretation-of-copy-number-variants-in-the-human-genome
#17
REVIEW
Beata Nowakowska
Molecular methods, by which copy number variants (CNVs) detection is available, have been gradually introduced into routine diagnostics over the last 15 years. Despite this, some CNVs continue to be a huge challenge when it comes to clinical interpretation. CNVs are an important source of normal and pathogenic variants, but, in many cases, their impact on human health depends on factors that are not yet known. Therefore, perception of their clinical consequences can change over time, as our knowledge grows...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28933030/phenotype-comparison-confirms-zmynd11-as-a-critical-gene-for-10p15-3-microdeletion-syndrome
#18
Birute Tumiene, Ž Čiuladaitė, E Preikšaitienė, R Mameniškienė, A Utkus, V Kučinskas
Proper epigenetic regulation processes are crucial in the normal development of the human brain. An ever-increasing group of neurodevelopmental disorders due to derangements of epigenetic regulation involve both microdeletion and monogenic syndromes. Some of these syndromes have overlapping clinical phenotypes due to haploinsufficiency-sensitive genes involved in microdeletions. It was shown recently that the ZMYND11 gene has important functions in epigenetic regulation as an unconventional transcription co-repressor of highly expressed genes, possibly acting in the repression of cryptic transcription from gene bodies...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28890999/a-genome-wide-association-study-identifies-genomic-loci-associated-with-backfat-thickness-carcass-weight-and-body-weight-in-two-commercial-pig-populations
#19
Yuanmei Guo, Hengqing Qiu, Shijun Xiao, Zhenfang Wu, Ming Yang, Jie Yang, Jun Ren, Lusheng Huang
Growth and fatness traits are economically important in the pig industry. To dissect the genetic architecture of these traits in commercial pigs, we conducted a genome-wide association study (GWAS) for carcass weight, backfat thickness, and body weight in two commercial populations: Duroc × (Landrace × Yorkshire) (DLY) and Duroc populations. To enhance the detection power, three GWAS approaches including single-trait GWAS, multi-trait GWAS and meta-analysis were used in this study. A total of 13 suggestive loci were identified on nine chromosomes...
November 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28887804/identification-of-major-quantitative-trait-loci-for-root-diameter-in-synthetic-hexaploid-wheat-under-phosphorus-deficient-conditions
#20
Fangkun Wu, Xilan Yang, Zhiqiang Wang, Mei Deng, Jian Ma, Guoyue Chen, Yuming Wei, Yaxi Liu
Synthetic hexaploid wheat (SHW) possesses numerous genes for resistance to stress, including phosphorus (P) deficiency. Root diameter (RDM) plays an important role in P-deficiency tolerance, but information related to SHW is still limited. Thus, the objective of this study was to investigate the genetic architecture of RDM in SHW under P-deficient conditions. To this end, we measured the RDM of 138 F9 recombinant inbred lines derived from an F2 population of a synthetic hexaploid wheat line (SHW-L1) and a common wheat line (Chuanmai32) under two P conditions, P sufficiency (PS) and P deficiency (PD), and mapped quantitative trait loci (QTL) for RDM using an enriched high-density genetic map, containing 120,370 single nucleotide polymorphisms, 733 diversity arrays technology markers, and 119 simple sequence repeats...
November 2017: Journal of Applied Genetics
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