Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.

The aim was to explore the alterations in growth traits, physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds. The seedlings cultivated by the "Shenzhou XII" spacecraft carrying the seeds of superior clones of P. sibirica were used to obs...

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Main Authors: Ying Kang, Yuncheng Zhang, Jianhua Chen, Qingfu Yu, Biao Li, Yijin Wang, Shengjun Dong
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0321147
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author Ying Kang
Yuncheng Zhang
Jianhua Chen
Qingfu Yu
Biao Li
Yijin Wang
Shengjun Dong
author_facet Ying Kang
Yuncheng Zhang
Jianhua Chen
Qingfu Yu
Biao Li
Yijin Wang
Shengjun Dong
author_sort Ying Kang
collection DOAJ
description The aim was to explore the alterations in growth traits, physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds. The seedlings cultivated by the "Shenzhou XII" spacecraft carrying the seeds of superior clones of P. sibirica were used to observe their growth traits and determine physiological indicators. The results showed that plant height of Prunus sibirica seedlings raised from spaceflight seeds increased by 18-34% and internode length increased by 8-26%, but the number of primary branches, secondary branches, and leaves showed no significant change compared to the ground control. Leaf length and width of Prunus sibirica seedlings raised from spaceflight seeds were significantly higher than those of the ground control, with leaf length, width, and area increasing to 1.21-1.80 times higher than that of the ground control. Furthermore, the antioxidant and osmoregulatory capacities of P. sibirica seedlings raised from spaceflight seeds were altered. The peroxidase (POD) activity and Malondialdehyde (MDA) content were increased in ST28, ST207, and ST507, while they were reduced in ST1 and ST453. Compared with the ground control, the content of soluble sugar(SS), starch (St), and free proline (Pro) were significantly or highly significantly increased in all lines. The content of soluble protein (SP) was significantly increased in ST1, ST28, ST207, and ST507, while there was no significant change in ST453. P. sibirica seedlings raised from spaceflight seeds exhibited increased leaf pigment content, the interstitial CO2 concentration (Ci), net photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (Tr). In conclusion, compared with the ground control, the growth indexes and physiological characteristics of Prunus sibirica seedlings raised from spaceflight seeds were changed, and the direction of change was different for different lines. This provided a foundation for subsequent germplasm improvement and variety selection.
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spelling doaj-art-401f072b3f474aacb230b42d450be7632025-08-20T02:19:37ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01204e032114710.1371/journal.pone.0321147Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.Ying KangYuncheng ZhangJianhua ChenQingfu YuBiao LiYijin WangShengjun DongThe aim was to explore the alterations in growth traits, physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds. The seedlings cultivated by the "Shenzhou XII" spacecraft carrying the seeds of superior clones of P. sibirica were used to observe their growth traits and determine physiological indicators. The results showed that plant height of Prunus sibirica seedlings raised from spaceflight seeds increased by 18-34% and internode length increased by 8-26%, but the number of primary branches, secondary branches, and leaves showed no significant change compared to the ground control. Leaf length and width of Prunus sibirica seedlings raised from spaceflight seeds were significantly higher than those of the ground control, with leaf length, width, and area increasing to 1.21-1.80 times higher than that of the ground control. Furthermore, the antioxidant and osmoregulatory capacities of P. sibirica seedlings raised from spaceflight seeds were altered. The peroxidase (POD) activity and Malondialdehyde (MDA) content were increased in ST28, ST207, and ST507, while they were reduced in ST1 and ST453. Compared with the ground control, the content of soluble sugar(SS), starch (St), and free proline (Pro) were significantly or highly significantly increased in all lines. The content of soluble protein (SP) was significantly increased in ST1, ST28, ST207, and ST507, while there was no significant change in ST453. P. sibirica seedlings raised from spaceflight seeds exhibited increased leaf pigment content, the interstitial CO2 concentration (Ci), net photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (Tr). In conclusion, compared with the ground control, the growth indexes and physiological characteristics of Prunus sibirica seedlings raised from spaceflight seeds were changed, and the direction of change was different for different lines. This provided a foundation for subsequent germplasm improvement and variety selection.https://doi.org/10.1371/journal.pone.0321147
spellingShingle Ying Kang
Yuncheng Zhang
Jianhua Chen
Qingfu Yu
Biao Li
Yijin Wang
Shengjun Dong
Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.
PLoS ONE
title Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.
title_full Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.
title_fullStr Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.
title_full_unstemmed Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.
title_short Alterations in physiological and biochemical characteristics of Prunus sibirica seedlings raised from spaceflight seeds.
title_sort alterations in physiological and biochemical characteristics of prunus sibirica seedlings raised from spaceflight seeds
url https://doi.org/10.1371/journal.pone.0321147
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