Bu J, Zhao J, Liu M. 2016. Expression stabilities of candidate reference genes for RT-qPCR in Chinese Jujube (Ziziphus jujuba Mill.) under a variety of conditions. PLOS ONE. doi,10.1371/journal.pone.0154212.

Dai H, Han G, Yan Y, Zhang F, Liu Z, Li X, Li W, Ma Y, Li H, Liu Y, Zhang Z. 2013. Transcript assembly and quantification by RNA-Seq reveals differentially expressed genes between soft-endocarp and hard-endocarp Hawthorns. PLOS ONE, 8, e72910. doi,10.1371/journal.pone.0072910.

Dardick C, Callahan A M. 2014a. Evolution of the fruit endocarp: molecular mechanisms underlying adaptations in seed protection and dispersal strategies. Frontiers in Plant Science, 5, 284. doi,10.3389/fpls.2014.00284.

Dardick C, Callahan A M. 2014b. Evolution of the fruit endocarp: molecular mechanisms underlying adaptations in seed protection and dispersal strategies. Frontiers in Plant Science, 5, 285. doi,10.3389/fpls.2014.00284.

Dardick C D, Callahan A M, Chiozzotto R, Schaffer R J, Piagnani M C, Scorza R. 2010. Stone formation in peach fruit exhibits spatial coordination of the lignin and flavonoid pathways and similarity to Arabidopsis dehiscence. BMC Biology, 8, 1-17. doi,10.1186/1741-7007-8-13.

Gao Q-H, Wu C-S, Wang M. 2013. The Jujube (Ziziphus Jujuba Mill.) Fruit: A review of current knowledge of fruit composition and health benefits. Journal of Agricultural and Food Chemistry, 61, 3351-3363. doi,10.1021/jf4007032.

Gao Z, Sun W, Wang J, Zhao C, Zuo K. 2019. GhbHLH18 negatively regulates fiber strength and length by enhancing lignin biosynthesis in cotton fibers. Plant Science, 286, 7-16. doi,10.1016/j.plantsci.2019.05.020.

Gui J, Shen J, Li L. 2011. Functional characterization of evolutionarily divergent 4-coumarate:coenzyme a ligases in Rice. Plant Physiology. doi,10.1104/pp.111.178301.

Hu S, Kamimura N, Sakamoto S, Nagano S, Takata N, Liu S, Goeminne G, Vanholme R, Uesugi M, Yamamoto M, Hishiyama S, Kim H, Boerjan W, Ralph J, Masai E, Mitsuda N, Kajita S. 2022. Rerouting of the lignin biosynthetic pathway by inhibition of cytosolic shikimate recycling in transgenic hybrid aspen. The Plant Journal. doi,10.1111/tpj.15674.

Jin Q, Yan C, Qiu J, Zhang N, Lin Y, Cai Y. 2013. Structural characterization and deposition of stone cell lignin in Dangshan Su pear. Scientia Horticulturae, 155, 123-130. doi,10.1016/j.scienta.2013.03.020.

Keli Q, Hui Z, Haifa P, Yu S, Hong Y, Qingmei X, Hongli C, Yongping C, Jinyun Z, Jinling H. 2022. Genome-wide identification and functional analysis of the peach (P. persica) laccase gene family reveal members potentially involved in endocarp lignification. Trees. doi,10.1007/s00468-022-02296-y.

Khan M K U, Muhammad N, Jia Z, Peng J, Liu M. 2022a. Mechanism of stone (hardened endocarp) formation in fruits: an attempt toward pitless fruits, and its advantages and disadvantages. Genes. doi,10.3390/genes13112123.

Khan M K U, Muhammad N, Jia Z, Peng J, Liu M. 2022b. Mechanism of stone (hardened endocarp) formation in fruits: an attempt toward pitless Fruits, and Its advantages and disadvantages. Genes, 13 2123. doi,10.3390/genes13112123.

Lam C T W, Chan P H, Lee P S C, Lau K M, Kong A Y Y, Gong A G W, Xu M L, Lam K Y C, Dong T T X, Lin H, Tsim K W K. 2015. Chemical and biological assessment of Jujube (Ziziphus jujuba)-containing herbal decoctions: Induction of erythropoietin expression in cultures. Journal of Chromatography B, 1026, 254-262. doi,10.1016/j.jchromb.2015.09.021.

Lam C T W, Gong A G W, Lam K Y C, Zhang L M, Chen J-P, Dong T T X, Lin H-Q, Tsim K W K. 2016. Jujube-containing herbal decoctions induce neuronal differentiation and the expression of anti-oxidant enzymes in cultured PC12 cells. Journal of Ethnopharmacology, 188, 275-283. doi,10.1016/j.jep.2016.05.015.

Lee C-J, Park S-U, Kim S-E, Lim Y-H, Ji C Y, Kim Y-H, Kim H S, Kwak S-S. 2021. Overexpression of IbLfp in sweetpotato enhances the low-temperature storage ability of tuberous roots. Plant Physiology and Biochemistry, 167, 577-585. doi,10.1016/j.plaphy.2021.08.041.

Li H, Shengjie D, Wenna Z, Zhenning L, Yuli S, Yaqin Z, Meng X. 2023. Transcriptome analysis of walnut (Juglans regia L.) fruit reveals the function of JrMYB180 in GA3-induced endocarp lignification. Plant Growth Regulation, 1-9. doi,10.1007/s10725-023-00963-9.

Li W, Amos K, Li M, Pu Y, Debolt S, Ragauskas A J, Shi J. 2018. Fractionation and characterization of lignin streams from unique high-lignin content endocarp feedstocks. Biotechnology for Biofuels, 11, 1-14. doi,10.1186/s13068-018-1305-7.

Livak K J, Schmittgen T D. 2002. Analysis of relative gene expression data using real-time quantitative PCR and the 2(-Delta Delta C(T)) Method. Methods, 25, 402-408. doi,10.1006/meth.2001.1262.

Long X. 2000. Modern Chinese fruit cultivation, deciduous fruit trees volume. China Forestry Publishing House, Beijing, China, pp. pp. 239-268.

Ma Z, Jia Y. 1991. The causes of seedless fruit and the way to produce it. Journal of Biology, 5-7+4.

Meng Z, Jia Y, Aizhen Y, Guanglu S, Tieqiang Z, Younian W. 2016. The lignin deposition process in fruit endocarp of different Jujube cultivars. Journal of Agriculture, 6, 82-87.

Niu N, Zhang Y, Li S, Meng X, Liu M, Wang H, Zhao J. 2023. Genome-wide characterization of the cellulose synthase gene family in Ziziphus jujuba reveals its function in cellulose biosynthesis during fruit development. International Journal of Biological Macromolecules, 239, 124360. doi,10.1016/j.ijbiomac.2023.124360.

Qu Z, Wang Y H. 1993. Chinese Fruit Tree Chronicle Jujube Roll. China Forestry Press, BeiJing. 498.

Qui K, Zhou H, Pan H, Sheng Y, Yu H, Xie Q, Chen H, Cai Y, Zhang J, He J. 2022. Genome-wide identification and functional analysis of the peach (P. persica) laccase gene family reveal members potentially involved in endocarp lignification. Trees, 36, 1477-1496. doi,10.1007/s00468-022-02296-y.

Rencoret J, Kim H, Evaristo A B, Gutiérrez A, Ralph J, del Río J C. 2017. Variability in lignin composition and structure in cell walls of different parts of Macaúba (Acrocomia aculeata) Palm fruit. Journal of Agricultural and Food Chemistry, 66, 138-153. doi,10.1021/acs.jafc.7b04638.

Sakamoto S, Kamimura N, Tokue Y, Nakata M T, Yamamoto M, Hu S, Masai E, Mitsuda N, Kajita S. 2020. Identification of enzymatic genes with the potential to reduce biomass recalcitrance through lignin manipulation in Arabidopsis. Biotechnology for Biofuels, 13, 1-16. doi,10.1186/s13068-020-01736-6.

Schmid N B, Giehl R F H, Döll S, Mock H-P, Strehmel N, Scheel D, Kong X, Hider R C, von Wirén N. 2013. Feruloyl-CoA 6'-Hydroxylase1-dependent coumarins mediate iron acquisition from alkaline substrates in Arabidopsis. Plant Physiology, 164, 160-172. doi,10.1104/pp.113.228544.

Shi J, Yan X, Sun T, Shen Y, Shi Q, Wang W, Bao M, Luo H, Nian F, Ning G. 2021. Homeostatic regulation of flavonoid and lignin biosynthesis in phenylpropanoid pathway of transgenic tobacco. Gene, 809, 146017. doi,10.1016/j.gene.2021.146017.

Tan H H. 2013. lsolation and expression of two genes related to lignin synthesis in Chinese jujube fruit. Nanjing Agricultural University, Nanjing.

Teichman I V, Van Wyk A E. 1993. Ontogeny and structure of the drupe of Ozoroa paniculosa (Anacardiaceae). Botanical Journal of the Linnean Society. doi,10.1111/j.1095-8339.1993.tb01902.x.

Wang H B, Zhu J, Wang D Y. 2013. Analysis of the content of pear pulp stone cells.,Jiangsu Journal of Agricultural, 46, 173-176.

Xue Y, Shan Y, Yao J-L, Wang R, Xu S, Liu D, Ye Z, Lin J, Li X, Xue C, Wu J. 2023. The transcription factor PbrMYB24 regulates lignin and cellulose biosynthesis in stone cells of pear fruits. Plant Physiology. doi,10.1093/plphys/kiad200.

Yan L, Xu C, Kang Y, Gu T, Wang D, Zhao S, Xia G. 2013. The heterologous expression in Arabidopsis thaliana of sorghum transcription factor SbbHLH1 downregulates lignin synthesis. Journal of Experimental Botany, 64, 3021-3032. doi,10.1093/jxb/ert150.

Yao T, Feng K, Xie M, Barros J, Tschaplinski T J, Tuskan G A, Muchero W, Chen J-G. 2021. Phylogenetic occurrence of the phenylpropanoid pathway and lignin biosynthesis in plants. Frontiers in Plant Science, 12, 704697. doi,10.3389/fpls.2021.704697.

Zhang X, Zhang L, Zhang Q, Xu J, Liu W, Dong W. 2017. Comparative transcriptome profiling and morphology provide insights into endocarp cleaving of apricot cultivar (Prunus armeniaca L.). BMC Plant Biology, 17, 1-14. doi,10.1186/s12870-017-1023-5.

Zhao S, Wen J, Wang H, Zhang Z, Li X. 2016. Changes in lignin content and activity of related enzymes in the endocarp during the walnut shell development period. Horticultural Plant Journal, 2, 141-146. doi,10.1016/j.hpj.2016.08.003.

Zhao W, Ding L, Liu J, Zhang X, Li S, Zhao K, Guan Y, Song A, Wang H, Chen S, Jiang J, Chen F. 2022. Regulation of lignin biosynthesis by an atypical bHLH protein CmHLB in Chrysanthemum. Journal of Experimental Botany, 73, 2403-2419. doi,10.1093/jxb/erac015.

Zhao X, Jiang X, Li Z, Song Q, Xu C, Luo K. 2023. Jasmonic acid regulates lignin deposition in poplar through JAZ5-MYB/NAC interaction. Frontiers in Plant Science. doi,10.3389/fpls.2023.1232880.

Zhu Z, Wen Y, Zhou Q, Wu F, Du X, Sheng F. 2024. Mechanism of loding residence and drought tolerance of OsCNGC10 gene in rice. ACTA AGRONOMICA SINICA 50, 1351-1360. doi, 10.3724/SP.J.1006.2024.32027