Sabine Banniza's research while affiliated with University of Saskatchewan and other places
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Publications (169)
Main conclusion
Stemphylium botryosum alters lentil secondary metabolism and differentially affects resistant and susceptible genotypes. Untargeted metabolomics identifies metabolites and their potential biosynthetic pathways that play a crucial role in resistance to S. botryosum.
Abstract
The molecular and metabolic processes that mediate resista...
Chickpea fields in Saskatchewan, one of the three Canadian prairie provinces, have suffered from major health issues since 2019, but no definitive cause has been determined. Field surveys were conducted in Saskatchewan in 2020 and 2021 in order to develop a better understanding of root rot pathogens associated with chickpea. Root samples were analy...
Resistance to anthracnose caused by the fungal pathogen Colletotrichum lentis was explored through transcriptome sequencing over a period of 24 to 96 h post-inoculation (hpi) of the partially resistant recombinant inbred lines (RIL) LR-66-528 and susceptible LR-66-524 of the crop wild relative Lens ervoides population LR-66. The development of infe...
Stemphylium blight caused by Stemphylium botryosum, is a foliar disease of lentil. It affects the productivity and milling quality of lentil crops, mainly in South Asia and Canada. Development of stemphylium blight resistant cultivars by introgression of resistance alleles from crop wild relatives of lentil, such as Lens ervoides, is one strategy o...
Stemphylium blight caused by Stemphylium botryosum, is a foliar disease of lentil. It affects the productivity and milling quality of lentil crops, mainly in South Asia and Canada. Development of stemphylium blight resistant cultivars by introgression of resistance alleles from crop wild relatives of lentil, such as Lens ervoides, is one strategy o...
CDC Hickie, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2021 by the Crop Development Centre, University of Saskatchewan for distribution to Select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Hickie has good lodging resistance, medium time to maturity, medium-sized, round se...
CDC Tollefson, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2021 by the Crop Development Centre, University of Saskatchewan for distribution to Select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Tollefson has good lodging resistance, medium time to maturity, medium-sized, ro...
CDC Lewochko, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2018 by the Crop Development Centre, University of Saskatchewan for distribution to Select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Lewochko has good lodging resistance, medium time to maturity, medium-sized, roun...
Necrotrophic pathogens are responsible for significant declines in crop yield and quality worldwide. During the infection process, a pathogen releases a series of secretory proteins to counteract the plant immune system, and this interaction of pathogen and host molecules determines whether the pathogen will successfully invade the host plant tissu...
Understanding the genomic relationship between wild and cultivated genomes would facilitate access to the untapped variability found in crop wild relatives. We developed genome assemblies of a cultivated lentil (Lens culinaris) as well as a wild relative (L. ervoides). Comparative analyses revealed large-scale structural rearrangements and addition...
Aphanomyces root rot, caused by the soil-borne oomycete Aphanomyces euteiches Drechs., has developed into a serious disease in the pea and lentil-producing areas of the Great Plains of North America. Based on six pea differentials previously used to differentiate 11 pathotypes in France, pathotypes were identified among field isolates from Saskatch...
Under cool and wet conditions, high levels of botrytis grey mould (BGM) can occur on lentil in western Canada. Identification of local Botrytis isolates from lentil based on conidial morphology (N = 74) and sequence analysis (N = 5) indicated that B. cinerea was the predominant cause of BGM in this region. Eight field experiments at two sites (Sask...
Globally, coriander is the essential oil crop with the largest volume of production. The leafy vegetable use of this plant is becoming increasingly popular. Modern coriander breeding has mostly focused on the use of the fruits for industrial extraction of their essential oil, but dual-purpose coriander for fruit and leaf use, as well as coriander f...
Cultivated lentil suffers yield loss from stemphylium blight, caused by Stemphylium botryosum Wallr. Identification of sources of stemphylium blight resistance and knowledge of the mode of inheritance of resistance are important for developing resistant cultivars. The interspecific recombinant inbred line (RIL) population developed from a cross bet...
Ascochyta lentis is a foliar pathogen of Lens species and is of worldwide importance in cultivated lentil production. High levels of resistance were identified in the wild species Lens ervoides. This resistance was explored through histopathology, qPCR estimation of fungal biomass and transcriptome sequencing in a susceptible and a resistant recomb...
Anthracnose caused by Colletotrichum lentis is an important fungal disease of lentil in western Canada. Two known pathogenic C. lentis races, race 0 and race 1 have been identified and current cultivars of lentil have little or no resistance to the virulent race 0. Seven Lens culinaris subsp. culinaris landrace accessions were previously reported t...
Abstract: Aphanomyces euteiches is an important root pathogen of several legume and forage crops worldwide. Disease management is
challenging due to resilient oospores that can persist in the soil for long periods of time. Several research groups are working towards
incorporating disease resistance into crop cultivars involving large-scale disease...
Outbreaks of blossom blight in coriander (Coriandrum sativum) and caraway (Carum carvi) are common in western Canada, particularly when cool, wet conditions prevail during flowering, which can lead to total crop loss. Earlier attempts to identify the causal organisms were inconclusive, which has hampered blossom blight management and been a barrier...
Aphanomyces euteiches
is an important root pathogen of several legume and forage crops worldwide. Disease management is challenging due to resilient oospores that can persist in the soil for long periods of time. Several research groups are working towards incorporating disease resistance into crop cultivars involving large-scale disease resistance...
Background:
Stemphylium blight (SB), caused by Stemphylium botryosum, is a devastating disease in lentil production. Although it is known that accessions of Lens ervoides possess superior SB resistance at much higher frequency than the cultivated lentil species, very little is known about the molecular basis regulating SB resistance in L. ervoides...
Ascochyta blight of pea is an important disease that can cause severe yield loss. Our previous studies identified several closely linked single nucleotide polymorphism (SNP) markers associated with ascochyta blight resistance. The objective of this study was to validate SNP markers in 36 cultivars from the Saskatchewan pea regional variety trial. A...
Surveys of pulse crops across the Canadian prairies were undertaken between 2014 and 2017 to assess the distribution and severity of root rot of field pea and lentil, to identify the most important causal agents, and to compare the efficiency of culturing techniques with multiplex PCR. Root rot was present in every pea and lentil field surveyed in...
Number of plant-derived and pathogen-derived Illumina pair-ended reads.
Reads were generated through RNA-sequencing of lentil genotypes Eston, CDC Robin and 964a-46 after Ascochyta lentis infection, and mapped to the Lens culinaris cv. CDC Redberry and A. lentis Al4 reference genomes.
(DOCX)
Ascochyta blight of lentil is an important fungal disease in many lentil-producing regions of the world causing major yield and grain quality losses. Quick shifts in aggressiveness of the population of the causal agent Ascochyta lentis mandates developing germplasm with novel and durable resistance. In the absence of complete resistance, lentil gen...
Genetic variants within differentially expressed NBS-LRR genes.
Differentially expressed NBS-LRR genes of lentil genotypes Eston, CDC Robin and 964a-46 upon Ascochyta lentis infection with coordinates on the Lens culinaris CDC Redberry genome v. 0.6 (Lc v. 0.6).
(XLSX)
Number of differentially expressed genes in lentil genotypes.
Lentil genotypes Eston, CDC Robin and 964a-46 were analyzed after Ascochyta lentis infection. Hpi, hours post inoculation. Relative expression fold change of two compared with the mock inoculated plants samples at time 0 was considered as a threshold for determining the differentially ex...
Features of differentially expressed NBS-LRR genes.
Sequence description, expression levels and genetic variants of nucleotide binding site-leucine rich repeat (NBS-LRR) genes in lentil genotypes Eston, CDC Robin and 964a-46 infected with Ascochyta lentis. Sequence descriptions are from the BLASTx against RefSeq release 60 hit with the highest perc...
Relative expression fold change of selected house-keeping genes.
Fold changes were inferred from RNA-seq analysis in lentil genotypes Eston, CDC Robin and 964a-46 after inoculation with Ascochyta lentis. GAPDH = Glyceraldehyde-3-Phosphate Dehydrogenase, TEF = Translation elongation factor. Fold change in gene expression was calculated by Cuffdiff s...
Differentially expressed trasnscripts in lentil genotypes.
The coordinates of transcripts differentially expressed in Eston, CDC Robin and 964a-46 upon Ascochyta lentis infection on the Lens culinaris CDC Redberry genome v. 0.6 (Lc v. 0.6) was reported for each transcript. The orthologues identified through BLASTing the CDC Redberry sequences again...
Features of up-regulated candidate plant defense genes.
Genes were up-regulated after Ascochyta lentis infection, but similarly expressed, in lentil genotypes Eston, CDC Robin and 964a-46. Sequence descriptions are from the BLASTx against RefSeq release 60 hit with the highest percentage of sequence identity. Gene symbols were extracted from the Ar...
Colletotrichum lentis causes anthracnose, which is a serious disease on lentil and can account for up to 70% crop loss. Two pathogenic races, 0 and 1, have been described in the C. lentis population from lentil. To unravel the genetic control of virulence, an isolate of the virulent race 0 was sequenced at 1481-fold genomic coverage. The 56.10-Mb g...
Novel species of fungi described in this study include those from various countries as follows: Australia, Chaetopsina eucalypti on Eucalyptus leaf litter, Colletotrichum cobbittiense from Cordyline stricta × C. australis hybrid, Cyanodermella banksiae on Banksia ericifolia subsp. macrantha, Discosia macrozamiae on Macrozamia miquelii, Elsinoë bank...
Cultivated lentil (Lens culinaris Medik.) is susceptible to aphanomyces root rot (ARR), whereas partial resistance is present in wild lentil including Lens ervoides (Brign.) Grande. Approximately six generations of selfing are required to fix a desired trait in a population, which usually requires 2 years in a breeding programme, so the primary obj...
Among lentil diseases reported from around the world, anthracnose caused by the fungal ascomycete pathogen Colletotrichum lentis is either not mentioned, or listed as a minor disease. In Canada, it was originally found in Manitoba in 1987, where most lentil was grown at the time, and within 3 years was also detected in Saskatchewan as lentil produc...
CDC Athabasca, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2016 by the Crop Development Centre, University of Saskatchewan for distribution to select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Athabasca has good lodging resistance, large-sized round seeds, and good yieldin...
CDC Inca, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2015 by the Crop Development Centre, University of Saskatchewan for distribution to select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Inca has good lodging resistance, medium-sized round seeds, and good yielding ability...
CDC Spectrum, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2016 by the Crop Development Centre, University of Saskatchewan for distribution to select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Spectrum has good lodging resistance, medium-sized round seeds, and good yielding...
CDC Spruce, a green cotyledon field pea (Pisum sativum L.) cultivar, was released in 2016 by the Crop Development Centre, University of Saskatchewan for distribution to select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Spruce has good lodging resistance, medium-sized round seeds, and good yielding abil...
CDC Canary, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2017 by the Crop Development Centre, University of Saskatchewan for distribution to select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Canary has good lodging resistance, medium-sized round seeds, early maturity, and g...
CDC Forest, a green cotyledon field pea (Pisum sativum L.) cultivar, was released in 2017 by the Crop Development Centre, University of Saskatchewan for distribution to select seed growers through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Forest has good lodging resistance, medium-sized round seeds, and good yielding abil...
Field isolates of Stemphylium spp. collected from lentil and nine other western Canadian crops were compared to the ex-type isolate of Stemphylium botryosum by morphology and by molecular phylogenetic analysis based on the internal transcribed spacer (ITS) and the glyceraldehyde 3 phosphate dehydrogenase gene regions. Sequence data of these genes f...
Lens ervoides, a wild relative of lentil is an important source of allelic diversity for enhancing the genetic resistance of the cultivated species against economically important fungal diseases, such as anthracnose and Stemphylium blight caused by Colletotrichum lentis and Stemphylium botryosum, respectively. To unravel the genetic control underly...
The role of seed infection with Ascochyta pisi using naturally infected seeds with an incidence from 0.5 to 14.5% was studied in field pea experiments in western Canada at locations with historically low inoculum pressure. A significant effect of A. pisi seed infection on the emergence of seedlings was observed in one experiment and when all data w...
Ascochyta blight of lentil is a prevalent disease in many lentil producing regions and can cause major yield and grain quality losses. The most environmentally acceptable and economically profitable method of control is to develop varieties with high levels of durable resistance. Genetic studies to date suggest that ascochyta blight resistance gene...
Colletotrichum lentis is a hemibiotrophic pathogen and causes anthracnose on lentil. To understand the molecular mechanism underlying the symptomatic phase of infection, a cDNA plasmid library was developed from the susceptible lentil cultivar Eston infected with an isolate of the virulent race 0 of C. lentis. The library was sequenced on the Sange...
Species in the genus Colletotrichum have mating systems that deviate from those of other genera in the Ascomycota, and for many species only the anamorph is known. The teleomorph of Colletotrichum lentis is inducible in vitro, but has not been reported in nature. A molecular population study based on amplified fragment length polymorphisms was cond...
In western Canada, chickpea (Cicer arietinum L.) production is challenged by short growing seasons and infestations with ascochyta blight. Research was conducted to determine the genetic basis of the association between flowering time and reaction to ascochyta blight in chickpea. Ninety-two chickpea recombinant inbred lines (RILs) developed from a...
Lentil (Lens culinaris) is one of the cool season grain legume crops and an important source of dietary proteins and fibre. Fungal diseases are main constraints to lentil production and account for significant yield and quality losses. Lentil has a narrow genetic base presumably due to a bottleneck during domestication and as a result, any resistan...
Background:
The hemibiotroph Colletotrichum lentis, causative agent of anthracnose on Lens culinaris (lentil) was recently described as a new species. During its interaction with the host plant, C. lentis likely secretes numerous effector proteins, including toxins to alter the plant's innate immunity, thereby gaining access to the host tissues fo...
Characteristic Ascochyta blight lesions were observed on leaves and pods of fenugreek cv. “Canfen” (Trigonella foenum-graecum) growing at the University of Saskatchewan’s Kernen Research Farm at Saskatoon, Saskatchewan, Canada (52.16895° N; 106.54471° W; 481.5 m elevation) in August 2012. Fenugreek is an emerging specialty spice, food, and nutraceu...
The resistance of 24 perennial Cicer accessions to Ascochyta rabiei (Pass.) Labr. was assessed under field and greenhouse conditions. Two perennial and two annual Cicer accessions with superior resistance were examined and compared with susceptible (‘CDC Xena’) and resistant (‘CDC Frontier’) domesticated Cicer arietinum L. (chickpea) cultivars in t...
Field pea (Pisum sativum L.) is an important organic crop due to its contribution to soil fertility and other rotational benefits. Leafed (wild-type) pea cultivars tend to be more weed suppressive, but their poor standing ability limits yield compared with semi-leafless cultivars. Crowing mixtures of leafed and semi-leafless cultivars may improve w...
CDC Raezer, a green cotyledon field pea (Pisum sativum L.) cultivar, was released in 2011 by the Crop Development Centre, University of Saskatchewan, for distribution to Select seed growers in Saskatchewan and Alberta through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Raezer has good lodging resistance, powdery mildew resi...
CDC Greenwater, a green cotyledon field pea (Pisum sativum L.) cultivar, was released in 2014 by the Crop Development Centre, University of Saskatchewan, for distribution to Select seed growers in Saskatchewan and Alberta through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Greenwater has good lodging resistance, powdery mil...
Warkentin, T. D., Vandenberg, A., Tar'an, B., Banniza, S., Barlow, B., Ife, S., Horner, J., de Silva, D., Thompson, M., Parada, M., Wagenhoffer, S. and Prado, T. 2014. CDC Saffron yellow field pea. Can. J. Plant Sci. 94: 1543–1545. CDC Saffron, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2011 by the Crop Development Ce...
CDC Limerick, a green cotyledon field pea (Pisum sativum L.) cultivar, was released in 2012 by the Crop Development Centre, University of Saskatchewan, for distribution to Select seed growers in Saskatchewan and Alberta through the Variety Release Committee of the Saskatchewan Pulse Growers. CDC Limerick has good lodging resistance, powdery mildew...
Warkentin, T. D., Vandenberg, A., Tar'an, B., Banniza, S., Arganosa, G., Barlow, B., Ife, S., Horner, J., de Silva, D., Thompson, M., Parada, M., Wagenhoffer, S. and Prado, T. 2014. CDC Amarillo yellow field pea. Can. J. Plant Sci. 94: 1539–1541. CDC Amarillo, a yellow cotyledon field pea (Pisum sativum L.) cultivar, was released in 2012 by the Cro...
Fungal disease resistance breeding, especially for the lineage-exclusion (LEB) is essential to meet the caloric demand of ever-growing population as diseases, especially caused by fungal and fungus-like pathogens are posing a visible and imminent threat to sustainable world food supply. This article provides a fresh perspective on the application o...
CDC WM-2 is a short-season, slow-darkening, pinto bean cultivar (CFIA Registration #6593) with indeterminate growth habit and tolerance to common bacterial blight and anthracnose races 73 and 105. It was developed using marker-assisted backcrossing and field testing.
Plants with root rot from 24 pea and 11 lentil fields were sampled from several areas of Saskatchewan in July, along with one clover and two vetch plants. Aphanomyces euteiches was detected in pea and lentil from the 10 areas sampled. Soil samples from two areas were used to observe pea seedling development and Aphanomyces infection under growth ch...
Lentil (Lens culinaris Medik.) is affected by many stresses and the genetic variation for resistance to some of these stresses is limited in the cultivated germplasm. Introgression of genes from diverse sources for the improvement of disease resistance and agronomic performance is urgently needed. An interspecific recombinant inbred line (RIL) popu...
Background
Anthracnose of lentil, caused by the hemibiotrophic fungal pathogen Colletotrichum truncatum is a serious threat to lentil production in western Canada. Colletotrichum truncatum employs a bi-phasic infection strategy characterized by initial symptomless biotrophic and subsequent destructive necrotrophic colonization of its host. The tran...
Taran, B., Holm, F. and Banniza, S. 2013. Response of chickpea cultivars to pre- and post-emergence herbicide applications. Can. J. Plant Sci. 93: 279-286. Weed control is one of the major constraints of chickpea (Cicer arietinum L.) production in western Canada. There are no highly selective herbicides registered for broadleaf weed control in this...
Aphanomyces euteiches was identified in samples from three diverse Saskatchewan locations using probe-based quantitative PCR. Wet conditions in several areas in 2012 and in preceding seasons have favored root rot and exacerbated symptom development. Aphanomyces euteiches is probably widespread and has been present for a long time, with recent condi...
Mycosphaerella blight caused by Mycosphaerella
pinodes (Berk. and Blox.) Vestergren is the most
important disease of pea (Pisum sativum L.) in
the world. It reduces seed yield and quality and
limits the areas where fi eld pea can effectively
be grown. Extensive studies have failed to
identify high levels of resistance. However, some
accessio...
The hemibiotrophic fungus Colletotrichum truncatum causes anthracnose disease on lentils and a few other grain legumes. It shows initial symptomless intracellular growth, where
colonized host cells remain viable (biotrophy), and then switches to necrotrophic growth, killing the colonized host plant
tissues. Here, we report a novel effector gene, Ct...
The rice blast pathogen, Magnaporthe oryzae has been widely used as a model pathogen to study plant infection-related fungal morphogenesis, such as penetration via appressorium and plant-microbe interactions at the molecular level. Previously, we identified a gene encoding peroxisomal alanine: glyoxylate aminotransferase 1 (AGT1) in M. oryzae and d...
In the genus Glomerella, all species studied to date do not fit the usual mating system of heterothallic ascomycetes. This study investigated the mating system of G. truncata (anamorph Colletotrichum truncatum), a pathogen responsible for lentil anthracnose. Twenty-two field isolates from the Canadian prairies were crossed in all possible combinati...
The role of β-oxidation and the glyoxylate cycle in fungal pathogenesis is well documented. However, an ambiguity still remains over their interaction in peroxisomes to facilitate fungal pathogenicity and virulence. In this report, we characterize a gene encoding an alanine, glyoxylate aminotransferase 1 (AGT1) in Magnaporthe oryzae, the causative...