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1. Colonization of polycyclic aromatic hydrocarbon-degrading bacteria on roots reduces the risk of PAH contamination in vegetables

Author:
Chen, Shuang; Ma, Zhao; Li, Shunyao; Waigi, Michael Gatheru; Jiang, Jiandong; Liu, Juan; Ling, Wanting
Source:
Environment international 2019
ISSN:
0160-4120
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. oleifera,   etc   ; Chinese cabbage; Ipomoea aquatica; adults; bacteria; crops; endophytes; lifestyle; models; neoplasms; phenanthrenes; rhizosphere; risk; risk reduction; roots; shoots;     Show all 17 Subjects
Abstract:
... This is a primary investigation on the mitigation of polycyclic aromatic hydrocarbon (phenanthrene as a model PAH) contamination in vegetables including water spinach (Ipomoea aquatica Forsk), pakchoi (Brassica campestris) and Chinese cabbage (Brassica chinensis) using a gfp-labeled PAH-degrading bacterium (RS1-gfp). Effective root colonization led to dense RS1-gfp populations inhabiting the rhizo ...
DOI:
10.1016/j.envint.2019.105081

2. Difference between selenite and selenate in selenium transformation and the regulation of cadmium accumulation in Brassica chinensis

Author:
Yu, Yao; Zhuang, Zhong; Luo, Li-yun; Wang, Ya-qi; Li, Hua-fen
Source:
Environmental science and pollution research international 2019 v.26 no.24 pp. 24532-24541
ISSN:
0944-1344
Subject:
Brassica rapa subsp. chinensis,   etc   ; cadmium; hydroponics; roots; selenates; selenites; selenium; selenomethionine; shoots; vegetables;     Show all 10 Subjects
Abstract:
... Se can regulate Cd accumulation and translocation in plants; however, such effects can be controversial because of the differences in plant species and Se species. In this study, pak choi was cultured under hydroponic conditions, and the effects of selenite and selenate on Cd accumulation were investigated in the edible parts of this vegetable. The results showed gradual improvements in the effect ...
DOI:
10.1007/s11356-019-05705-x

3. BcMAF2 activates BcTEM1 and represses flowering in Pak-choi (Brassica rapa ssp. chinensis)

Author:
Huang, Feiyi; Liu, Tongkun; Tang, Jun; Duan, Weike; Hou, Xilin
Source:
Plant molecular biology 2019 v.100 no.1-2 pp. 19-32
ISSN:
0167-4412
Subject:
Brassica rapa subsp. chinensis,   etc   ; Arabidopsis; cultivars; flowering date; genes; leaves; luciferase; quantitative polymerase chain reaction; yeasts;     Show all 9 Subjects
Abstract:
... KEY MESSAGE : BcMAF2 plays a key role in flowering regulation by controlling BcTEM1, BcSOC1 and BCSPL15 in Pak-choi. Flowering is a key event in the life cycle of plants. Flowering time shows an extensive variation from different Pak-choi (Brassica rapa ssp. chinensis) cultivars. However, the regulation mechanism of flowering in Pak-choi remains rarely known. In this study, a systematic identifica ...
DOI:
10.1007/s11103-019-00867-1

4. Effects of ageing on bioavailability of selenium in soils assessed by diffusive gradients in thin-films and sequential extraction

Author:
Peng, Qin; Li, Jun; Wang, Dan; Wei, Tian-Jiao; Chen, Chang-Er L.; Liang, Dong-Li
Source:
Plant and soil 2019 v.436 no.1-2 pp. 159-171
ISSN:
0032-079X
Subject:
Brassica rapa subsp. chinensis,   etc   ; bioavailability; desorption; roots; selenates; selenites; selenium; soil properties; toxicity;     Show all 9 Subjects
Abstract:
... BACKGROUND AND AIMS: Ageing is an important factor for controlling selenium bioavailability and toxicity in soil. METHODS: The ageing processes of selenite and selenate in two soils were systematically investigated by adopting diffusive gradients in thin film technique (DGT) and sequential extraction. RESULTS: Soluble Se was the main fraction (29.3%–61.7%) for selenate-treated soils, and which dec ...
DOI:
10.1007/s11104-018-03920-y

5. Tetracycline uptake by pak choi grown on contaminated soils and its toxicity in human liver cell line HL-7702

Author:
Liu, Di; Lu, Lingli; Wang, Mei; Hussain, Bilal; Tian, Shengke; Luo, Weijun; Zhou, Jiali; Yang, Xiaoe
Source:
Environmental pollution 2019 v.253 pp. 312-321
ISSN:
0269-7491
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. oleifera,   etc   ; apoptosis; bioavailability; clay; cytotoxicity; enzyme-linked immunosorbent assay; food chain; hepatocytes; human cell lines; humans; liver; mitochondria; models; oxidative stress; polluted soils; rough endoplasmic reticulum; soil properties; tetracycline; vegetables;     Show all 20 Subjects
Abstract:
... Tetracycline (TC) can enter the human body via the soil-vegetable-human food chain; therefore, it is necessary to understand the toxicity of TC to humans through vegetables grown on contaminated soils. The present study combined an enzyme-linked immunosorbent assay method and an HL-7702 cell model and assessed the bioavailability and toxicity of TC from pak choi (Brassica campestris L. ssp. chinen ...
DOI:
10.1016/j.envpol.2019.06.086

6. Selenium induces changes of rhizosphere bacterial characteristics and enzyme activities affecting chromium/selenium uptake by pak choi (Brassica campestris L. ssp. Chinensis Makino) in chromium contaminated soil

Author:
Cai, Miaomiao; Hu, Chengxiao; Wang, Xu; Zhao, Yuanyuan; Jia, Wei; Sun, Xuecheng; Elyamine, Ali Mohamed; Zhao, Xiaohu
Source:
Environmental pollution 2019 v.249 pp. 716-727
ISSN:
0269-7491
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. oleifera,   etc   ; antagonism; bacterial communities; bioavailability; chromium; enzyme activity; enzymes; metabolism; oxidation; plant growth; plant tissues; polluted soils; rhizosphere; selenium; soil enzymes; soil pH;     Show all 17 Subjects
Abstract:
... Understanding the chemical response and characteristics of bacterial communities in soil is critical to evaluate the effects of selenium (Se) supplement on plant growth and chromium (Cr)/Se uptake in Cr contaminated soil. The rhizosphere soil characteristics of pak choi (Brassica campestris L. ssp. Chinensis Makino) were investigated in soil contaminated with different levels and forms of Cr when ...
DOI:
10.1016/j.envpol.2019.03.079

7. Characterization and expression profile analysis of YABBY family genes in Pak-choi (Brassica rapa ssp. chinensis) under abiotic stresses and hormone treatments

Author:
Hou, Hualan; Wu, Peng; Gao, Liwei; Zhang, Changwei; Hou, Xilin
Source:
Plant growth regulation 2019 v.87 no.3 pp. 421-432
ISSN:
0167-6903
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. pekinensis,   etc   ; Arabidopsis; Chinese cabbage; Gymnospermae; abiotic stress; developmental stages; gene deletion; genes; phylogeny; plant development; plant growth; protein domains; proteins; quantitative polymerase chain reaction; reverse transcriptase polymerase chain reaction;     Show all 16 Subjects
Abstract:
... YABBY proteins are widely distributed among different plant species and exhibit a higher degree of prevalence in angiosperms than in gymnosperms; abaxial cell fate in the lateral organs of plants is mainly determined by the functions of YABBY genes. However, to date, no scientific study has been conducted on the functions and responses of these genes under different forms of abiotic stresses in Pa ...
DOI:
10.1007/s10725-019-00475-5

8. Genetic dissection of flowering time in Brassica rapa responses to temperature and photoperiod

Author:
Xiao, Dong; Shen, Hao-Ran; Zhao, Jian-Jun; Wei, Yan-Ping; Liu, Dong-Rang; Hou, Xi-Lin; Bonnema, Guusje
Source:
Plant science 2019 v.280 pp. 110-119
ISSN:
0168-9452
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. trilocularis,   etc   ; cultivation area; doubled haploids; flowering date; genes; green leafy vegetables; greenhouses; growing season; loci; oil crops; phenotypic variation; photoperiod; quantitative trait loci; root vegetables; temperature; vernalization;     Show all 17 Subjects
Abstract:
... The Brassica rapa (B. rapa) species displays enormous phenotypic diversity, with leafy vegetables, storage root vegetables and oil crops. These different crops all have different flowering time, which determine their growing season and cultivation area. Little is known about the effects of diverse temperature and day-lengths on flowering time QTL associated with FLC paralogues. We phenotyped the f ...
DOI:
10.1016/j.plantsci.2018.10.027

9. Cryopreservation technique for lettuce, Chinese cabbage, flowering white cabbage, Chinese kale and pak choi seeds by encapsulation-dehydration

Author:
Pipithsangchan, K.; Chareonsap, P. P.; Reanhattakham, K.; Jutamas, P.; Nakrprasert, D.; Thammasiri, K.
Source:
Acta horticulturae 2019 no.1234 pp. 189-194
ISSN:
0567-7572
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. pekinensis,   etc   ; Brassica oleracea var. alboglabra; Chinese cabbage; Lactuca sativa; cabbage; cryopreservation; gene banks; germplasm conservation; glycerol; lettuce; nitrogen; seedlings; seeds; silica gel; sucrose; viability;     Show all 17 Subjects
Abstract:
... The Plant Genetic Conservation Project under the Royal Initiation of Her Royal Highness Princess Maha Chakri Sirindhorn (RSPG) has collaborated with the DOA Genebank (Genebank Research and Development Group, Biotechnology Research and Development Office, Department of Agriculture), to study the cryopreservation techniques of lettuce, Chinese cabbage, flowering white cabbage, Chinese kale and pak c ...
DOI:
10.17660/ActaHortic.2019.1234.25

10. Estimating Arsenic Mobility and Phytotoxicity Using Two Different Phosphorous Fertilizer Release Rates in Soil

Author:
Kim, Min-Suk; Min, Hyun-Gi; Kim, Jeong-Gyu; Lee, Sang-Ryong
Source:
Agronomy 2019 v.9 no.3
ISSN:
2073-4395
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. oleifera,   etc   ; acid mine drainage; arsenic; bone meal; iron; mining; phosphorus; phosphorus fertilizers; phytoremediation; phytotoxicity; plant growth; polluted soils; roots; slags; sludge; stabilizers; steel; superphosphate; water solubility;     Show all 20 Subjects
Abstract:
... Deficiencies in phosphorus (P), an essential factor for plant growth and aided phytostabilization, are commonly observed in soil, especially near mining areas. The objective of this study was to compare the effect of P-based fertilizer types on arsenic (As) extractability and phytotoxicity in As-contaminated soil after stabilizer treatment. Different treatments with respect to the P-releasing char ...
DOI:
10.3390/agronomy9030111

11. Genotype-by-environment interaction for seed quality traits in interspecific cross-derived Brassica lines using additive main effects and multiplicative interaction model

Author:
Bocianowski, Jan; Niemann, Janetta; Nowosad, Kamila
Source:
Euphytica 2019 v.215 no.1 pp. 7
ISSN:
0014-2336
Subject:
Brassica rapa subsp. chinensis; Brassica rapa subsp. pekinensis,   etc   ; Brassica carinata; Brassica napus; Brassica oleracea var. gemmifera; breeding programs; cultivars; environmental impact; field experimentation; genotype; genotype-environment interaction; glucosinolates; models; plant breeding; rapeseed; seed quality; winter;     Show all 17 Subjects
Abstract:
... The aim of this study was to assess genotype by environment interaction for seed quality traits in interspecific cross-derived Brassica lines by the additive main effects and multiplicative interaction (AMMI) model. The study comprised of 25 winter rapeseed genotypes i.e.: B. napus cultivar Californium, twenty three cross-derived Brassica lines and male sterile line of an F₈ generation of B. napus ...
DOI:
10.1007/s10681-018-2328-7

12. Agrobacterium-mediated vacuum infiltration and floral dip transformation of rapid-cycling Brassica rapa

Author:
Hu, Die; Bent, Andrew F.; Hou, Xilin; Li, Ying
Source:
BMC plant biology 2019 v.19 no.1 pp. 246
ISSN:
1471-2229
Subject:
Brassica rapa subsp. chinensis,   etc   ; Agrobacterium; Arabidopsis; Southern blotting; buds; carpels; genetic transformation; kanamycin; polymerase chain reaction; seeds;     Show all 10 Subjects
Abstract:
... BACKGROUND: Rapid-cycling Brassica rapa (RCBr), also known as Wisconsin Fast Plants, are small robust plants with a short lifecycle that are widely used in biology teaching. RCBr have been used for decades but there are no published reports of RCBr genetic transformation. Agrobacterium-mediated vacuum infiltration has been used to transform pakchoi (Brassica rapa ssp. chinensis) and may be suitabl ...
DOI:
10.1186/s12870-019-1843-6

13. Mono-and co-applications of Ca-bentonite with zeolite, Ca-hydroxide, and tobacco biochar affect phytoavailability and uptake of copper and lead in a gold mine-polluted soil

Author:
Lahori, Altaf Hussain; Zhang, Zengqiang; Shaheen, Sabry M.; Rinklebe, Jörg; Guo, Zhanyu; Li, Ronghua; Mahar, Amanullah; Wang, Zhen; Ren, Chunyan; Mi, Shenshen; Liu, Tao; Jing, Ren
Source:
Journal of hazardous materials 2019 v.374 pp. 401-411
ISSN:
0304-3894
Subject:
Brassica rapa subsp. chinensis,   etc   ; bioavailability; biochar; calcium hydroxide; copper; corn; gold; lead; mining; phytoaccumulation; polluted soils; pollution; shoots; tobacco; zeolites;     Show all 15 Subjects
Abstract:
... We assessed the efficacy of Ca-bentonite (CB) alone and combined with Ca-hydroxide (CH), tobacco biochar (TB), and zeolite (ZL) aiming to immobilize Cu and Pb and decrease their bioavailability and uptake by pak choi followed by maize in a mining contaminated soil. The CB alone was able to decrease the availability and uptake of Cu and Pb by pak choi and maize. The mono- and multi-combination of C ...
DOI:
10.1016/j.jhazmat.2019.04.057

14. Study of the bioavailability of heavy metals from atmospheric deposition on the soil-pakchoi (Brassica chinensis L.) system

Author:
Liu, Hai-Long; Zhou, Jun; Li, Min; Hu, Yuan-mei; Liu, Xiaoli; Zhou, Jing
Source:
Journal of hazardous materials 2019 v.362 pp. 9-16
ISSN:
0304-3894
Subject:
Brassica rapa subsp. chinensis,   etc   ; atmospheric deposition; bioavailability; cadmium; copper; heavy metals; lead; photosynthesis; pot culture; reciprocal translocation; risk; topsoil;     Show all 12 Subjects
Abstract:
... The objective of this study was to investigate the bioavailability of heavy metals from atmospheric deposition on the soil-pakchoi (Brassica chinensis L.) system near a smelter. Soil reciprocal translocation experiment was conducted with seven groups of pot culture (filled with soils of gradient levels of heavy metals) in three sites of gradient atmospheric heavy metal depositions. Results showed ...
DOI:
10.1016/j.jhazmat.2018.09.032

15. The removal of pesticide residues from pakchoi (Brassica rape L. ssp. chinensis) by ultrasonic treatment

Author:
Zhu, Yuchen; Zhang, Ting; Xu, Duoxia; Wang, Shaojia; Yuan, Yingmao; He, Shudong; Cao, Yanping
Source:
Food control 2019 v.95 pp. 176-180
ISSN:
0956-7135
Subject:
Brassica rapa subsp. chinensis,   etc   ; ascorbic acid; carbendazim; chlorothalonil; green leafy vegetables; leaves; linear models; pyrazophos; soaking; ultrasonic treatment; ultrasonics;     Show all 11 Subjects
Abstract:
... The removals of chlorothalonil, pyrazophos, and carbendazim residues form pakchoi by ultrasonic treatment were investigated in this study. The ultrasonic treatment has higher efficiency on the removal of pesticides compared to traditional water soaking. The removal rates of ultrasonic treatment for chlorothalonil, pyrazophos, and carbendazim residues were in the range of 13.87–74.86%, 21.74–45.68% ...
DOI:
10.1016/j.foodcont.2018.07.039

16. Exploring the persistence and spreading of antibiotic resistance from manure to biocompost, soils and vegetables

Author:
Pu, Chengjun; Yu, Yao; Diao, Jianxiong; Gong, Xiaoyan; Li, Ji; Sun, Ying
Source:
The Science of the total environment 2019 v.688 pp. 262-269
ISSN:
0048-9697
Subject:
Brassica rapa subsp. chinensis,   etc   ; antibiotic resistance; antibiotic resistance genes; bacteria; bacterial communities; biocomposts; composting; erythromycin; poultry manure; risk; soil; swine; transposons; vegetable growing; vegetables;     Show all 15 Subjects
Abstract:
... The main avenue in which antibiotic resistance enters soils is through the application of livestock manure. However, whether antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) persist and spread to vegetables with the application of manure and manure products is still unclear. This study assessed seven kinds of cultured ARB, 221 ARGs subtypes and three transposon genes in t ...
DOI:
10.1016/j.scitotenv.2019.06.081

17. Brassica-enriched wheat bread: Unraveling the impact of ontogeny and breadmaking on bioactive secondary plant metabolites of pak choi and kale

Author:
Klopsch, Rebecca; Baldermann, Susanne; Hanschen, Franziska S.; Voss, Alexander; Rohn, Sascha; Schreiner, Monika; Neugart, Susanne
Source:
Food chemistry 2019 v.295 pp. 412-422
ISSN:
0308-8146
Subject:
Brassica rapa subsp. chinensis,   etc   ; Brassica oleracea var. sabellica; breadmaking; breads; carotenoids; chlorophyll; cotyledons; coumaric acids; glucosinolates; ingredients; kale; leaves; metabolites; microgreens; ontogeny; wheat;     Show all 16 Subjects
Abstract:
... Consumption of Brassica vegetables is linked to health benefits, as they contain high concentrations of the following secondary plant metabolites (SPMs): glucosinolate breakdown products, carotenoids, chlorophylls, and phenolic compounds. Especially Brassica vegetables are consumed as microgreens (developed cotyledons). It was investigated how different ontogenetic stages (microgreens or leaves) o ...
DOI:
10.1016/j.foodchem.2019.05.113

18. Boiling and steaming induced changes in secondary metabolites in three different cultivars of pak choi (Brassica rapa subsp. chinensis)

Author:
Chen, Xiaomin; Hanschen, Franziska S.; Neugart, Susanne; Schreiner, Monika; Vargas, Sara A.; Gutschmann, Björn; Baldermann, Susanne
Source:
Subtropical plant science 2019 v.82 pp. 103232
ISSN:
0889-1575
Subject:
Brassica rapa subsp. chinensis,   etc   ; boiling; carotenoids; chlorophyll; cooking; cultivars; flavonoids; glucosinolates; isothiocyanates; nitriles; phenolic acids; secondary metabolites; steaming; vegetables; vitamin K; Asia; Europe;     Show all 17 Subjects
Abstract:
... Pak choi (Brassica rapa subsp. chinensis) is a leafy vegetable that is widely available in Asia and consumed in rising quantities in Europe. Pak choi contains high levels of secondary plant metabolites, such as carotenoids, chlorophylls, glucosinolates, phenolic compounds, and vitamin K, which are beneficial for humans if consumed on a regular basis. The evaluation of the genotype-induced variatio ...
DOI:
10.1016/j.jfca.2019.06.004

19. Nonstereoselective foliar absorption and translocation of cycloxaprid, a novel chiral neonicotinoid, in Chinese cabbage

Author:
Cheng, Xi; Wang, Yichen; Li, Wei; Li, Qinkan; Luo, Peiwen; Ye, Qingfu
Source:
Environmental pollution 2019 v.252 pp. 1593-1598
ISSN:
0269-7491
Subject:
Brassica rapa subsp. chinensis,   etc   ; Chinese cabbage; absorption; carbon; environmental impact; human health; laboratory experimentation; leaves; metabolites; neonicotinoid insecticides; planting; prediction; radioactivity; risk assessment; roots; stereoisomers; stereoselectivity;     Show all 17 Subjects
Abstract:
... Exploring traditional neonicotinoid pesticides substitutes has become one of the global scientific attentions because of their hazardous environmental impacts. Cycloxaprid (CYC) is considered to be a promising candidate alternative. But the environmental behaviors and fate of CYC in different planting system remain poorly understood. The accumulation of 14C-labeled CYC stereoisomers within differe ...
DOI:
10.1016/j.envpol.2019.06.122

20. Effects of brassinolide on microspore embryogenesis and plantlet regeneration in pakchoi (Brassica rapa var. multiceps)

Author:
Jia, Junxiang; Zhang, Yun; Feng, Hui
Source:
Scientia horticulturae 2019 v.252 pp. 354-362
ISSN:
0304-4238
Subject:
Brassica rapa subsp. chinensis,   etc   ; brassinolide; breeding methods; callus; callus formation; color; doubled haploids; embryogenesis; homozygosity; horticulture; hybrids; inbred lines; leaves; mortality; plantlets; stress tolerance;     Show all 16 Subjects
Abstract:
... Hybrids are often superior to conventional varieties because of their high yield and strong stress resistance. The production of homozygous inbred lines is an important prerequisite for hybrid seed production; however, they may require more than six years by traditional breeding methods. Microspore culture is an attractive approach to obtain homozygous doubled haploids (DHs) in a short period. How ...
DOI:
10.1016/j.scienta.2019.04.004