Erratum to: Transcriptome analysis of stem development in the tumourous stem mustard Brassica juncea var. tumidaTsen et Lee by RNA sequencing

Sun, Quan; Zhou, Guilan; Cai, Yingfan; Yi, Fan; Zhu, Xiaoyan; Liu, Yihua; He, Xu; Shen, Jinjuan; Jiang, Huaizhong; Hu, Daiwen; Pan, Zheng; Xiang, Liuxin; He, Guanghua; Dong, Daiwen; Yang, Jianping

doi:10.1186/1471-2229-13-90

Cited by 3 publications

(2 citation statements)

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“…Furthermore, the interactions between hormones induce tuber initiation and growth; for example, the crosstalk between GA and auxins and between auxins and strigolactone (SL) in the stolon contributes to the overall potato tuber yield [6,7]. Hormone-related genes are also involved in the development of modified roots or stems; for example, the abscisic acid (ABA) signalling pathway gene ABR1 is involved in the expansion of tuberous stems in mustard tuber [8]. Moreover, the auxin-related genes StPIN-like and acrA-like, the jasmonic acid (JA) carboxyl methyltransferase gene AtJMT, and the SL biosynthesis pathway gene CCD8 have been shown to be involved in the growth and enlargement of potato tubers [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Dynamic transcriptome profiling provides insights into rhizome enlargement in ginger (Zingiber officinale Rosc.)

Ren

et al. 2023

PLoS ONE

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The rhizome is an economically important part of ginger (Zingiber officinale Rosc.). However, the mechanism of ginger rhizome enlargement remains unclear. In this study, we performed an integrated analysis of the hormone content and transcriptome of ginger at three rhizome enlargement stages: initial enlargement (S1), middle enlargement (S2), and peak enlargement (S3). With rhizome enlargement, the levels of the hormones zeatin (ZT), gibberellic acid (GA), indole acetic acid (IAA), and jasmonic acid (JA) were significantly increased, and this increase was positively correlated with rhizome diameter. Transcriptomic analysis identified a large number of differentially expressed genes (DEGs); the number of DEGs were 2,206 in the transition from S1 to S2, and 1,151 in the transition from S2 to S3. The expression of several genes related to hormone biosynthesis and signalling and cell division or expansion, and transcription factors was significantly altered, which suggests that these genes play essential roles in rhizome enlargement. The results of correlation analysis suggested that the process of ginger rhizome enlargement may be primarily related to the regulation of endogenous cytokinin, GA3, auxin, and JA biosynthesis pathways and signal transduction; GRAS, HB, MYB, MYB122, bZIP60, ARF1, ARF2, E2FB1, and E2FB2, which may regulate the expression of rhizome formation-related genes; and CYC2, CDKB1, CDKB2, EXPA1, and XTH7, which may mediate cell division and expansion. These results provide gene resources and information that will be useful for the molecular breeding in ginger.

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Section: Introductionmentioning

confidence: 99%

Dynamic transcriptome profiling provides insights into rhizome enlargement in ginger (Zingiber officinale Rosc.)

Ren

et al. 2023

PLoS ONE

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“…tumida M. Tsen & S.H. Lee), a variety of B. juncea belonging to the Cruciferae family (Sun et al, 2013), is widely Abstract Brassica juncea var. tumida (tumorous stem mustard) is widely cultivated as a feature vegetable in Ningbo, Zhejiang Province, and is used as a raw material for pickles in China.…”

Section: Introductionmentioning

confidence: 99%

Developmental characteristics of sporogenous hyphae: a new observation between Brassica juncea var. tumida and Albugo candida

Xiao

Gong²,

Zhou

et al. 2021

Eur J Plant Pathol

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Brassica juncea var. tumida (tumorous stem mustard) is widely cultivated as a feature vegetable in Ningbo, Zhejiang Province, and is used as a raw material for pickles in China. White blister rust, caused by Albugo candida, has severe negative effects on tumorous stem mustard, resulting in significant economic losses. In this study, hypha colonization and extension, haustorial formation, and the development process of sporogenous hyphae and sporangia in A. candida-infected tissues were studied using light and transmission electron microscopy. Additionally, the complex and unique sporogenous hypha developmental process was revealed. During A. candida infection, cytological and ultrastructural characteristics were similar to those of cruciferous plants. During sporogenous hyphae development, an initially cylindrical sporogenous hypha with a thin inner wall at the apex developed from a cell with a thick inner wall. At the apical end of the sporogenous hypha, an electron-dense complex gathered, causing the disintegration of the inner and outer walls and the formation of new inner and outer walls. With the formation of a clavate sporogenous hypha, a deep constriction of the cell wall occurred at its subapex, in which a septum was produced and a primary sporangium was separated from the sporogenous hypha. Both layers of the sporogenous hypha wall took part in the formation of the sporangial wall but were not related the formation of the sporangial outer wall in a septum, providing direct evidence of the holoblastic formation of sporangia. Furthermore, ultrastructural observation demonstrated that the development of the primary sporangial walls within a septum occurred later than that of their lateral walls, including the degradation of constricted outer walls around the septum, formation of the inner wall and subsequent outer walls of a sporangium in the upper septum layers, confirming the earlier observation. Therefore, this study provided the model of sporogenous hyphae development and sporangial formation in chain.

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Hormones and carbohydrates synergistically regulate the formation of swollen roots in a Chinese cabbage translocation line

Ren

Xuan

et al. 2023

Horticulture Research

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The genus Brassica contains a rich diversity of species and morphological types, including leaf, root, and oil crops, all of which show substantial phenotypic variation. Both Chinese cabbage and cabbage are typical leaf-type crops with normal roots. We created translocation lines based on interspecific crosses between Chinese cabbage and cabbage and identified qdh225, which exhibited a swollen-root phenotype. The swollen root of qdh225 contained a large number of granular substances, and the formation of its irregular morphological tissue was caused by a thickening of the phloem. Transcriptomic and metabolomic data suggested that differential expression of genes encoding nine types of enzymes involved in starch and sucrose metabolism caused changes in starch synthesis and degradation in the swollen root. These genes jointly regulated sucrose and starch levels, leading to significant enrichment of starch and soluble proteins in the swollen root and a reduction in the content of soluble sugars such as D-glucose and trehalose 6-phosphate. A significant increase in IAA and ABA contents and a decrease in GA content in the swollen root likely promoted the differential expression of genes associated with hormone signal transduction, thereby regulating the development of the swollen root. Taken together, our data suggest that accumulation of IAA and ABA and reduction in GA promote swollen root formation by regulating hormone-mediated signaling, leading to a thickening of phloem, root enlargement, and substantial accumulation of starch and soluble proteins. The latter provide materials, energy, and nutrient sources for the development of swollen roots.

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Erratum to: Transcriptome analysis of stem development in the tumourous stem mustard Brassica juncea var. tumidaTsen et Lee by RNA sequencing

Cited by 3 publications

References 1 publication

Dynamic transcriptome profiling provides insights into rhizome enlargement in ginger (Zingiber officinale Rosc.)

Dynamic transcriptome profiling provides insights into rhizome enlargement in ginger (Zingiber officinale Rosc.)

Developmental characteristics of sporogenous hyphae: a new observation between Brassica juncea var. tumida and Albugo candida

Hormones and carbohydrates synergistically regulate the formation of swollen roots in a Chinese cabbage translocation line

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